308150778612 has 12 divisors (see below), whose sum is σ = 719018483456. Its totient is φ = 102716926200.

The previous prime is 308150778497. The next prime is 308150778623. The reversal of 308150778612 is 216877051803.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12839615764 + ... + 12839615787.

Almost surely, 2^308150778612 is an apocalyptic number.

It is an amenable number.

308150778612 is an abundant number, since it is smaller than the sum of its proper divisors (410867704844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

308150778612 is a wasteful number, since it uses less digits than its factorization.

308150778612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25679231558 (or 25679231556 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 308150778612 in words is "three hundred eight billion, one hundred fifty million, seven hundred seventy-eight thousand, six hundred twelve".