312248611977 has 4 divisors (see below), whose sum is σ = 416331482640. Its totient is φ = 208165741316.

The previous prime is 312248611967. The next prime is 312248611979. The reversal of 312248611977 is 779116842213.

312248611977 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312248611977 - 2¹⁰ = 312248610953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312248611979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52041435327 + ... + 52041435332.

It is an arithmetic number, because the mean of its divisors is an integer number (104082870660).

Almost surely, 2^312248611977 is an apocalyptic number.

It is an amenable number.

312248611977 is a deficient number, since it is larger than the sum of its proper divisors (104082870663).

312248611977 is a wasteful number, since it uses less digits than its factorization.

312248611977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104082870662.

The product of its digits is 1016064, while the sum is 51.

The spelling of 312248611977 in words is "three hundred twelve billion, two hundred forty-eight million, six hundred eleven thousand, nine hundred seventy-seven".