312876870 has 64 divisors (see below), whose sum is σ = 763741440. Its totient is φ = 82021248.

The previous prime is 312876841. The next prime is 312876871. The reversal of 312876870 is 78678213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312876871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 532717 + ... + 533303.

It is an arithmetic number, because the mean of its divisors is an integer number (11933460).

Almost surely, 2^312876870 is an apocalyptic number.

312876870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312876870 is an abundant number, since it is smaller than the sum of its proper divisors (450864570).

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

312876870 is a wasteful number, since it uses less digits than its factorization.

312876870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 312876870 is about 17688.3258111106. The cubic root of 312876870 is about 678.8770899111.

The spelling of 312876870 in words is "three hundred twelve million, eight hundred seventy-six thousand, eight hundred seventy".