312079880 has 64 divisors (see below), whose sum is σ = 849709440. Its totient is φ = 100703232.

The previous prime is 312079819. The next prime is 312079907. The reversal of 312079880 is 88970213.

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, 28022 + ... + 37541.

It is an arithmetic number, because the mean of its divisors is an integer number (13276710).

Almost surely, 2^312079880 is an apocalyptic number.

It is an amenable number.

312079880 is an abundant number, since it is smaller than the sum of its proper divisors (537629560).

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

312079880 is a wasteful number, since it uses less digits than its factorization.

312079880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65598 (or 65594 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 312079880 is about 17665.7827451828. The cubic root of 312079880 is about 678.3001661360.

The spelling of 312079880 in words is "three hundred twelve million, seventy-nine thousand, eight hundred eighty".