82917911268 has 72 divisors (see below), whose sum is σ = 210157741248. Its totient is φ = 27565610688.

The previous prime is 82917911233. The next prime is 82917911287. The reversal of 82917911268 is 86211971928.

It is a happy number.

82917911268 is a `hidden beast` number, since 8 + 291 + 7 + 91 + 1 + 268 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30629571 + ... + 30632277.

Almost surely, 2^82917911268 is an apocalyptic number.

It is an amenable number.

82917911268 is an abundant number, since it is smaller than the sum of its proper divisors (127239829980).

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

82917911268 is a wasteful number, since it uses less digits than its factorization.

82917911268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673 (or 4668 counting only the distinct ones).

The product of its digits is 870912, while the sum is 54.

The spelling of 82917911268 in words is "eighty-two billion, nine hundred seventeen million, nine hundred eleven thousand, two hundred sixty-eight".