312878863357 has 8 divisors (see below), whose sum is σ = 331368105600. Its totient is φ = 294399021504.

The previous prime is 312878863313. The next prime is 312878863417. The reversal of 312878863357 is 753368878213.

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 a de Polignac number, because none of the positive numbers 2^k-312878863357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312878863295 and 312878863304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312878864357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2281507 + ... + 2414752.

It is an arithmetic number, because the mean of its divisors is an integer number (41421013200).

Almost surely, 2^312878863357 is an apocalyptic number.

It is an amenable number.

312878863357 is a deficient number, since it is larger than the sum of its proper divisors (18489242243).

312878863357 is a wasteful number, since it uses less digits than its factorization.

312878863357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700195.

The product of its digits is 40642560, while the sum is 61.

The spelling of 312878863357 in words is "three hundred twelve billion, eight hundred seventy-eight million, eight hundred sixty-three thousand, three hundred fifty-seven".