308470881805668 has 30 divisors (see below), whose sum is σ = 806403817560726. Its totient is φ = 102823627268448.

The previous prime is 308470881805637. The next prime is 308470881805687. The reversal of 308470881805668 is 866508188074803.

308470881805668 is a `hidden beast` number, since 3 + 0 + 8 + 47 + 0 + 8 + 8 + 18 + 0 + 566 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 307242282475584 + 1228599330084 = 17528328^2 + 1108422^2 .

It is a super-2 number, since 2×308470881805668² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 308470881805596 and 308470881805605.

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 9 ways as a sum of consecutive naturals, for example, 476035311105 + ... + 476035311752.

Almost surely, 2^{308470881805668} is an apocalyptic number.

It is an amenable number.

308470881805668 is an abundant number, since it is smaller than the sum of its proper divisors (497932935755058).

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

308470881805668 is a wasteful number, since it uses less digits than its factorization.

308470881805668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952070622873 (or 952070622862 counting only the distinct ones).

The product of its (nonzero) digits is 495452160, while the sum is 72.

The spelling of 308470881805668 in words is "three hundred eight trillion, four hundred seventy billion, eight hundred eighty-one million, eight hundred five thousand, six hundred sixty-eight".