312805946879 has 8 divisors (see below), whose sum is σ = 314921250000. Its totient is φ = 310690856512.

The previous prime is 312805946771. The next prime is 312805946881. The reversal of 312805946879 is 978649508213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312805946879 - 2⁸ = 312805946623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312805946179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3871112 + ... + 3951090.

It is an arithmetic number, because the mean of its divisors is an integer number (39365156250).

It is a 1-persistent number, because it is pandigital, but 2⋅312805946879 = 625611893758 is not.

Almost surely, 2^312805946879 is an apocalyptic number.

312805946879 is a deficient number, since it is larger than the sum of its proper divisors (2115303121).

312805946879 is a wasteful number, since it uses less digits than its factorization.

312805946879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106377.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 312805946879 in words is "three hundred twelve billion, eight hundred five million, nine hundred forty-six thousand, eight hundred seventy-nine".