82555025028 has 48 divisors (see below), whose sum is σ = 221253043200. Its totient is φ = 23468616864.

The previous prime is 82555025017. The next prime is 82555025053. The reversal of 82555025028 is 82052055528.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2452626 + ... + 2486057.

It is an arithmetic number, because the mean of its divisors is an integer number (4609438400).

Almost surely, 2^82555025028 is an apocalyptic number.

It is an amenable number.

82555025028 is an abundant number, since it is smaller than the sum of its proper divisors (138698018172).

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

82555025028 is a wasteful number, since it uses less digits than its factorization.

82555025028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4938896 (or 4938894 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 42.

The spelling of 82555025028 in words is "eighty-two billion, five hundred fifty-five million, twenty-five thousand, twenty-eight".