82997256 has 16 divisors (see below), whose sum is σ = 207493200. Its totient is φ = 27665744.

The previous prime is 82997251. The next prime is 82997293. The reversal of 82997256 is 65279928.

It is not an unprimeable number, because it can be changed into a prime (82997251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1729086 + ... + 1729133.

It is an arithmetic number, because the mean of its divisors is an integer number (12968325).

Almost surely, 2^82997256 is an apocalyptic number.

It is an amenable number.

82997256 is an abundant number, since it is smaller than the sum of its proper divisors (124495944).

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

82997256 is a wasteful number, since it uses less digits than its factorization.

82997256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458228 (or 3458224 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 82997256 is about 9110.2829813349. The cubic root of 82997256 is about 436.2022600556.

The spelling of 82997256 in words is "eighty-two million, nine hundred ninety-seven thousand, two hundred fifty-six".