82256656 has 20 divisors (see below), whose sum is σ = 160298892. Its totient is φ = 40889216.

The previous prime is 82256653. The next prime is 82256677. The reversal of 82256656 is 65665228.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72522256 + 9734400 = 8516^2 + 3120^2 .

It is not an unprimeable number, because it can be changed into a prime (82256653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12091 + ... + 17626.

Almost surely, 2^82256656 is an apocalyptic number.

It is an amenable number.

82256656 is a deficient number, since it is larger than the sum of its proper divisors (78042236).

82256656 is a wasteful number, since it uses less digits than its factorization.

82256656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29898 (or 29892 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 82256656 is about 9069.5455233435. The cubic root of 82256656 is about 434.9009436669.

The spelling of 82256656 in words is "eighty-two million, two hundred fifty-six thousand, six hundred fifty-six".