312706877 has 12 divisors (see below), whose sum is σ = 372635676. Its totient is φ = 261495360.

The previous prime is 312706871. The next prime is 312706897. The reversal of 312706877 is 778607213.

It can be written as a sum of positive squares in 2 ways, for example, as 101324356 + 211382521 = 10066^2 + 14539^2 .

It is not a de Polignac number, because 312706877 - 2¹⁶ = 312641341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312706871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75818 + ... + 79835.

It is an arithmetic number, because the mean of its divisors is an integer number (31052973).

Almost surely, 2^312706877 is an apocalyptic number.

It is an amenable number.

312706877 is a deficient number, since it is larger than the sum of its proper divisors (59928799).

312706877 is a wasteful number, since it uses less digits than its factorization.

312706877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155708 (or 155701 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 312706877 is about 17683.5199267567. The cubic root of 312706877 is about 678.7541179360.

The spelling of 312706877 in words is "three hundred twelve million, seven hundred six thousand, eight hundred seventy-seven".