312082877 has 2 divisors, whose sum is σ = 312082878. Its totient is φ = 312082876.

The previous prime is 312082871. The next prime is 312082879. The reversal of 312082877 is 778280213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227828836 + 84254041 = 15094^2 + 9179^2 .

It is a cyclic number.

It is not a de Polignac number, because 312082877 - 2⁸ = 312082621 is a prime.

Together with 312082879, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312082877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312082871) by changing a digit.

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 as a sum of consecutive naturals, namely, 156041438 + 156041439.

It is an arithmetic number, because the mean of its divisors is an integer number (156041439).

Almost surely, 2^312082877 is an apocalyptic number.

It is an amenable number.

312082877 is a deficient number, since it is larger than the sum of its proper divisors (1).

312082877 is an equidigital number, since it uses as much as digits as its factorization.

312082877 is an odious number, because the sum of its binary digits is odd.

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

The square root of 312082877 is about 17665.8675699780. The cubic root of 312082877 is about 678.3023374381.

The spelling of 312082877 in words is "three hundred twelve million, eighty-two thousand, eight hundred seventy-seven".