312360977 has 2 divisors, whose sum is σ = 312360978. Its totient is φ = 312360976.

The previous prime is 312360949. The next prime is 312361003. The reversal of 312360977 is 779063213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169104016 + 143256961 = 13004^2 + 11969^2 .

It is a cyclic number.

It is not a de Polignac number, because 312360977 - 2⁸ = 312360721 is a prime.

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 312360977.

It is not a weakly prime, because it can be changed into another prime (312360277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156180488 + 156180489.

It is an arithmetic number, because the mean of its divisors is an integer number (156180489).

Almost surely, 2^312360977 is an apocalyptic number.

It is an amenable number.

312360977 is a deficient number, since it is larger than the sum of its proper divisors (1).

312360977 is an equidigital number, since it uses as much as digits as its factorization.

312360977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 312360977 is about 17673.7369279957. The cubic root of 312360977 is about 678.5037581609.

The spelling of 312360977 in words is "three hundred twelve million, three hundred sixty thousand, nine hundred seventy-seven".