82911904 has 12 divisors (see below), whose sum is σ = 163232874. Its totient is φ = 41455936.

The previous prime is 82911889. The next prime is 82911967. The reversal of 82911904 is 40911928.

It can be written as a sum of positive squares in only one way, i.e., 43824400 + 39087504 = 6620^2 + 6252^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82911904.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1295467 + ... + 1295530.

Almost surely, 2^82911904 is an apocalyptic number.

It is an amenable number.

82911904 is a deficient number, since it is larger than the sum of its proper divisors (80320970).

82911904 is a wasteful number, since it uses less digits than its factorization.

82911904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591007 (or 2590999 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 82911904 is about 9105.5973994022. The cubic root of 82911904 is about 436.0526828015.

The spelling of 82911904 in words is "eighty-two million, nine hundred eleven thousand, nine hundred four".