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86876505884 = 2272983450913
BaseRepresentation
bin101000011101000111…
…1100100011100011100
322022020120110202201002
41100322033210130130
52410410341142014
6103524401005432
76163611054500
oct1207217443434
9268216422632
1086876505884
11339315827a3
1214a06923878
13826698c5cc
1442c214a300
1523d7041dde
hex143a3e471c

86876505884 has 36 divisors (see below), whose sum is σ = 177036051024. Its totient is φ = 37194829056.

The previous prime is 86876505869. The next prime is 86876505899. The reversal of 86876505884 is 48850567868.

It is an interprime number because it is at equal distance from previous prime (86876505869) and next prime (86876505899).

It is a super-2 number, since 2×868765058842 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86876505884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32789 + ... + 418124.

It is an arithmetic number, because the mean of its divisors is an integer number (4917668084).

Almost surely, 286876505884 is an apocalyptic number.

It is an amenable number.

86876505884 is an abundant number, since it is smaller than the sum of its proper divisors (90159545140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86876505884 is a wasteful number, since it uses less digits than its factorization.

86876505884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451914 (or 451905 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 65.

The spelling of 86876505884 in words is "eighty-six billion, eight hundred seventy-six million, five hundred five thousand, eight hundred eighty-four".

Divisors: 1 2 4 7 14 28 49 98 196 983 1966 3932 6881 13762 27524 48167 96334 192668 450913 901826 1803652 3156391 6312782 12625564 22094737 44189474 88378948 443247479 886494958 1772989916 3102732353 6205464706 12410929412 21719126471 43438252942 86876505884