82879488440 has 64 divisors (see below), whose sum is σ = 213205037760. Its totient is φ = 28404311040.

The previous prime is 82879488427. The next prime is 82879488457. The reversal of 82879488440 is 4488497828.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647174 + ... + 764586.

It is an arithmetic number, because the mean of its divisors is an integer number (3331328715).

Almost surely, 2^82879488440 is an apocalyptic number.

It is an amenable number.

82879488440 is an abundant number, since it is smaller than the sum of its proper divisors (130325549320).

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

82879488440 is a wasteful number, since it uses less digits than its factorization.

82879488440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119952 (or 119948 counting only the distinct ones).

The product of its (nonzero) digits is 33030144, while the sum is 62.

The spelling of 82879488440 in words is "eighty-two billion, eight hundred seventy-nine million, four hundred eighty-eight thousand, four hundred forty".