83257856 has 40 divisors (see below), whose sum is σ = 181488384. Its totient is φ = 37841920.

The previous prime is 83257849. The next prime is 83257871. The reversal of 83257856 is 65875238.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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, 1760 + ... + 13023.

Almost surely, 2^83257856 is an apocalyptic number.

It is an amenable number.

83257856 is an abundant number, since it is smaller than the sum of its proper divisors (98230528).

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

83257856 is a wasteful number, since it uses less digits than its factorization.

83257856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14812 (or 14796 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 83257856 is about 9124.5742914396. The cubic root of 83257856 is about 436.6583214871.

The spelling of 83257856 in words is "eighty-three million, two hundred fifty-seven thousand, eight hundred fifty-six".