312277077907 has 2 divisors, whose sum is σ = 312277077908. Its totient is φ = 312277077906.

The previous prime is 312277077859. The next prime is 312277077923. The reversal of 312277077907 is 709770772213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312277077907 is a prime.

It is a super-3 number, since 3×312277077907³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (312277077997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156138538953 + 156138538954.

It is an arithmetic number, because the mean of its divisors is an integer number (156138538954).

Almost surely, 2^312277077907 is an apocalyptic number.

312277077907 is a deficient number, since it is larger than the sum of its proper divisors (1).

312277077907 is an equidigital number, since it uses as much as digits as its factorization.

312277077907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1815156, while the sum is 52.

The spelling of 312277077907 in words is "three hundred twelve billion, two hundred seventy-seven million, seventy-seven thousand, nine hundred seven".