82894621256 has 16 divisors (see below), whose sum is σ = 155430509040. Its totient is φ = 41446485520.

The previous prime is 82894621217. The next prime is 82894621283. The reversal of 82894621256 is 65212649828.

It is a junction number, because it is equal to n+sod(n) for n = 82894621198 and 82894621207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632375 + ... + 752121.

It is an arithmetic number, because the mean of its divisors is an integer number (9714406815).

Almost surely, 2^82894621256 is an apocalyptic number.

It is an amenable number.

82894621256 is a deficient number, since it is larger than the sum of its proper divisors (72535887784).

82894621256 is a wasteful number, since it uses less digits than its factorization.

82894621256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206284 (or 206280 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 53.

The spelling of 82894621256 in words is "eighty-two billion, eight hundred ninety-four million, six hundred twenty-one thousand, two hundred fifty-six".