317428625806 has 4 divisors (see below), whose sum is σ = 476142938712. Its totient is φ = 158714312902.

The previous prime is 317428625791. The next prime is 317428625879. The reversal of 317428625806 is 608526824713.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79357156450 + ... + 79357156453.

It is an arithmetic number, because the mean of its divisors is an integer number (119035734678).

Almost surely, 2^317428625806 is an apocalyptic number.

317428625806 is a deficient number, since it is larger than the sum of its proper divisors (158714312906).

317428625806 is a wasteful number, since it uses less digits than its factorization.

317428625806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158714312905.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 317428625806 in words is "three hundred seventeen billion, four hundred twenty-eight million, six hundred twenty-five thousand, eight hundred six".