82790256 has 40 divisors (see below), whose sum is σ = 214588944. Its totient is φ = 27504640.

The previous prime is 82790251. The next prime is 82790263. The reversal of 82790256 is 65209728.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82790251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12496 + ... + 17936.

Almost surely, 2^82790256 is an apocalyptic number.

It is an amenable number.

82790256 is an abundant number, since it is smaller than the sum of its proper divisors (131798688).

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

82790256 is a wasteful number, since it uses less digits than its factorization.

82790256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769 (or 5763 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 82790256 is about 9098.9151001644. The cubic root of 82790256 is about 435.8393201930.

The spelling of 82790256 in words is "eighty-two million, seven hundred ninety thousand, two hundred fifty-six".