82890956 has 12 divisors (see below), whose sum is σ = 145141920. Its totient is φ = 41421840.

The previous prime is 82890953. The next prime is 82891007. The reversal of 82890956 is 65909828.

It is a self number, because there is not a number n which added to its sum of digits gives 82890956.

It is not an unprimeable number, because it can be changed into a prime (82890953) 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, 3725 + ... + 13403.

It is an arithmetic number, because the mean of its divisors is an integer number (12095160).

Almost surely, 2^82890956 is an apocalyptic number.

It is an amenable number.

82890956 is a deficient number, since it is larger than the sum of its proper divisors (62250964).

82890956 is a wasteful number, since it uses less digits than its factorization.

82890956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11824 (or 11822 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 82890956 is about 9104.4470452631. The cubic root of 82890956 is about 436.0159562659.

The spelling of 82890956 in words is "eighty-two million, eight hundred ninety thousand, nine hundred fifty-six".