82615956 has 24 divisors (see below), whose sum is σ = 193218144. Its totient is φ = 27474720.

The previous prime is 82615859. The next prime is 82615963. The reversal of 82615956 is 65951628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2455 + ... + 13086.

It is an arithmetic number, because the mean of its divisors is an integer number (8050756).

Almost surely, 2^82615956 is an apocalyptic number.

It is an amenable number.

82615956 is an abundant number, since it is smaller than the sum of its proper divisors (110602188).

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

82615956 is a wasteful number, since it uses less digits than its factorization.

82615956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15991 (or 15989 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 82615956 is about 9089.3319886557. The cubic root of 82615956 is about 435.5332448523.

The spelling of 82615956 in words is "eighty-two million, six hundred fifteen thousand, nine hundred fifty-six".