308680947836 has 12 divisors (see below), whose sum is σ = 540471129912. Its totient is φ = 154260625008.

The previous prime is 308680947721. The next prime is 308680947931. The reversal of 308680947836 is 638749086803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19953530 + ... + 19968993.

It is an arithmetic number, because the mean of its divisors is an integer number (45039260826).

Almost surely, 2^308680947836 is an apocalyptic number.

It is an amenable number.

308680947836 is a deficient number, since it is larger than the sum of its proper divisors (231790182076).

308680947836 is a wasteful number, since it uses less digits than its factorization.

308680947836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39924460 (or 39924458 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 308680947836 in words is "three hundred eight billion, six hundred eighty million, nine hundred forty-seven thousand, eight hundred thirty-six".