312948285877 has 2 divisors, whose sum is σ = 312948285878. Its totient is φ = 312948285876.

The previous prime is 312948285799. The next prime is 312948285911. The reversal of 312948285877 is 778582849213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312899271876 + 49014001 = 559374^2 + 7001^2 .

It is a cyclic number.

It is not a de Polignac number, because 312948285877 - 2³¹ = 310800802229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312948285077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156474142938 + 156474142939.

It is an arithmetic number, because the mean of its divisors is an integer number (156474142939).

Almost surely, 2^312948285877 is an apocalyptic number.

It is an amenable number.

312948285877 is a deficient number, since it is larger than the sum of its proper divisors (1).

312948285877 is an equidigital number, since it uses as much as digits as its factorization.

312948285877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54190080, while the sum is 64.

The spelling of 312948285877 in words is "three hundred twelve billion, nine hundred forty-eight million, two hundred eighty-five thousand, eight hundred seventy-seven".