312475934777 has 2 divisors, whose sum is σ = 312475934778. Its totient is φ = 312475934776.

The previous prime is 312475934759. The next prime is 312475934833. The reversal of 312475934777 is 777439574213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164340241321 + 148135693456 = 405389^2 + 384884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312475934777 is a prime.

It is not a weakly prime, because it can be changed into another prime (312475904777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156237967388 + 156237967389.

It is an arithmetic number, because the mean of its divisors is an integer number (156237967389).

Almost surely, 2^312475934777 is an apocalyptic number.

It is an amenable number.

312475934777 is a deficient number, since it is larger than the sum of its proper divisors (1).

312475934777 is an equidigital number, since it uses as much as digits as its factorization.

312475934777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31116960, while the sum is 59.

The spelling of 312475934777 in words is "three hundred twelve billion, four hundred seventy-five million, nine hundred thirty-four thousand, seven hundred seventy-seven".