677388908 has 24 divisors (see below), whose sum is σ = 1357945344. Its totient is φ = 289630800.

The previous prime is 677388889. The next prime is 677388913. The reversal of 677388908 is 809883776.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15998 + ... + 40133.

It is an arithmetic number, because the mean of its divisors is an integer number (56581056).

Almost surely, 2^677388908 is an apocalyptic number.

It is an amenable number.

677388908 is an abundant number, since it is smaller than the sum of its proper divisors (680556436).

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

677388908 is a wasteful number, since it uses less digits than its factorization.

677388908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56573 (or 56571 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 56.

The square root of 677388908 is about 26026.6960638495. The cubic root of 677388908 is about 878.2389488751.

The spelling of 677388908 in words is "six hundred seventy-seven million, three hundred eighty-eight thousand, nine hundred eight".