312876877 has 2 divisors, whose sum is σ = 312876878. Its totient is φ = 312876876.

The previous prime is 312876871. The next prime is 312876917. The reversal of 312876877 is 778678213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232074756 + 80802121 = 15234^2 + 8989^2 .

It is a cyclic number.

It is not a de Polignac number, because 312876877 - 2⁷ = 312876749 is a prime.

It is a super-2 number, since 2×312876877² = 195783880322546258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312876877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312876871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156438438 + 156438439.

It is an arithmetic number, because the mean of its divisors is an integer number (156438439).

Almost surely, 2^312876877 is an apocalyptic number.

It is an amenable number.

312876877 is a deficient number, since it is larger than the sum of its proper divisors (1).

312876877 is an equidigital number, since it uses as much as digits as its factorization.

312876877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 49.

The square root of 312876877 is about 17688.3260089812. The cubic root of 312876877 is about 678.8770949740.

The spelling of 312876877 in words is "three hundred twelve million, eight hundred seventy-six thousand, eight hundred seventy-seven".