312946847805 has 8 divisors (see below), whose sum is σ = 500714956512. Its totient is φ = 166904985488.

The previous prime is 312946847797. The next prime is 312946847821. The reversal of 312946847805 is 508748649213.

It is a happy number.

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 312946847805 - 2³ = 312946847797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10431561579 + ... + 10431561608.

It is an arithmetic number, because the mean of its divisors is an integer number (62589369564).

It is a 1-persistent number, because it is pandigital, but 2⋅312946847805 = 625893695610 is not.

Almost surely, 2^312946847805 is an apocalyptic number.

It is an amenable number.

312946847805 is a deficient number, since it is larger than the sum of its proper divisors (187768108707).

312946847805 is a wasteful number, since it uses less digits than its factorization.

312946847805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20863123195.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 312946847805 in words is "three hundred twelve billion, nine hundred forty-six million, eight hundred forty-seven thousand, eight hundred five".