312872870 has 16 divisors (see below), whose sum is σ = 572717520. Its totient is φ = 123027744.

The previous prime is 312872803. The next prime is 312872873. The reversal of 312872870 is 78278213.

It is a super-3 number, since 3×312872870³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312872873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264557 + ... + 265736.

It is an arithmetic number, because the mean of its divisors is an integer number (35794845).

Almost surely, 2^312872870 is an apocalyptic number.

312872870 is a deficient number, since it is larger than the sum of its proper divisors (259844650).

312872870 is a wasteful number, since it uses less digits than its factorization.

312872870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530359.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 312872870 is about 17688.2127418233. The cubic root of 312872870 is about 678.8741968455.

The spelling of 312872870 in words is "three hundred twelve million, eight hundred seventy-two thousand, eight hundred seventy".