82427256 has 24 divisors (see below), whose sum is σ = 223240680. Its totient is φ = 27475728.

The previous prime is 82427207. The next prime is 82427281. The reversal of 82427256 is 65272428.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 82427256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 572340 + ... + 572483.

It is an arithmetic number, because the mean of its divisors is an integer number (9301695).

Almost surely, 2^82427256 is an apocalyptic number.

It is an amenable number.

82427256 is an abundant number, since it is smaller than the sum of its proper divisors (140813424).

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

82427256 is a wasteful number, since it uses less digits than its factorization.

82427256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144835 (or 1144828 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 82427256 is about 9078.9457537756. The cubic root of 82427256 is about 435.2013970318.

The spelling of 82427256 in words is "eighty-two million, four hundred twenty-seven thousand, two hundred fifty-six".