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86772023455 = 5134793730313
BaseRepresentation
bin101000011010000000…
…1000000000010011111
322021222021212111202111
41100310001000002133
52410202114222310
6103510145334451
76161202013135
oct1206401000237
9267867774674
1086772023455
11338885aa587
1214997937427
13824b1397a0
1442b230d755
1523ccca428a
hex143404009f

86772023455 has 32 divisors (see below), whose sum is σ = 114648033024. Its totient is φ = 62645446656.

The previous prime is 86772023453. The next prime is 86772023467. The reversal of 86772023455 is 55432027768.

It is not a de Polignac number, because 86772023455 - 21 = 86772023453 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86772023399 and 86772023408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86772023453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2847379 + ... + 2877691.

It is an arithmetic number, because the mean of its divisors is an integer number (3582751032).

Almost surely, 286772023455 is an apocalyptic number.

86772023455 is a deficient number, since it is larger than the sum of its proper divisors (27876009569).

86772023455 is a wasteful number, since it uses less digits than its factorization.

86772023455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31315.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 86772023455 in words is "eighty-six billion, seven hundred seventy-two million, twenty-three thousand, four hundred fifty-five".

Divisors: 1 5 13 47 65 235 611 937 3055 4685 12181 30313 44039 60905 151565 220195 394069 572507 1424711 1970345 2862535 7123555 18521243 28403281 92606215 142016405 369242653 1334954207 1846213265 6674771035 17354404691 86772023455