318908085772 has 12 divisors (see below), whose sum is σ = 558471675160. Its totient is φ = 159344750016.

The previous prime is 318908085707. The next prime is 318908085779. The reversal of 318908085772 is 277580809813.

It is a super-2 number, since 2×318908085772² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (318908085779) 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, 27316653 + ... + 27328324.

Almost surely, 2^318908085772 is an apocalyptic number.

It is an amenable number.

318908085772 is a deficient number, since it is larger than the sum of its proper divisors (239563589388).

318908085772 is a wasteful number, since it uses less digits than its factorization.

318908085772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54646440 (or 54646438 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 318908085772 in words is "three hundred eighteen billion, nine hundred eight million, eighty-five thousand, seven hundred seventy-two".