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84887589372 = 2237073965781
BaseRepresentation
bin100111100001110110…
…0011101000111111100
322010002221222100011120
41033003230131013330
52342322210324442
6102555151350540
76063410414205
oct1170354350774
9263087870146
1084887589372
1133000916343
1214550822450
13800a8c6031
144173d385ac
15231c61d4ec
hex13c3b1d1fc

84887589372 has 12 divisors (see below), whose sum is σ = 198071041896. Its totient is φ = 28295863120.

The previous prime is 84887589343. The next prime is 84887589373. The reversal of 84887589372 is 27398578848.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 84887589297 and 84887589306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84887589373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3536982879 + ... + 3536982902.

It is an arithmetic number, because the mean of its divisors is an integer number (16505920158).

Almost surely, 284887589372 is an apocalyptic number.

It is an amenable number.

84887589372 is an abundant number, since it is smaller than the sum of its proper divisors (113183452524).

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

84887589372 is a wasteful number, since it uses less digits than its factorization.

84887589372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073965788 (or 7073965786 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 69.

The spelling of 84887589372 in words is "eighty-four billion, eight hundred eighty-seven million, five hundred eighty-nine thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 7073965781 14147931562 21221897343 28295863124 42443794686 84887589372