82999656 has 24 divisors (see below), whose sum is σ = 224790930. Its totient is φ = 27666528.

The previous prime is 82999649. The next prime is 82999687. The reversal of 82999656 is 65699928.

It can be written as a sum of positive squares in only one way, i.e., 44435556 + 38564100 = 6666^2 + 6210^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×82999656² = 13777885792236672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 576315 + ... + 576458.

Almost surely, 2^82999656 is an apocalyptic number.

It is an amenable number.

82999656 is an abundant number, since it is smaller than the sum of its proper divisors (141791274).

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

82999656 is a wasteful number, since it uses less digits than its factorization.

82999656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152785 (or 1152778 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 82999656 is about 9110.4146996720. The cubic root of 82999656 is about 436.2064645132.

It can be divided in two parts, 8299 and 9656, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 82999656 in words is "eighty-two million, nine hundred ninety-nine thousand, six hundred fifty-six".