677709855 has 32 divisors (see below), whose sum is σ = 1206835200. Its totient is φ = 360840096.

The previous prime is 677709833. The next prime is 677709863. The reversal of 677709855 is 558907776.

It is not a de Polignac number, because 677709855 - 2⁹ = 677709343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83466 + ... + 91224.

It is an arithmetic number, because the mean of its divisors is an integer number (37713600).

Almost surely, 2^677709855 is an apocalyptic number.

677709855 is a deficient number, since it is larger than the sum of its proper divisors (529125345).

677709855 is a wasteful number, since it uses less digits than its factorization.

677709855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8420 (or 8414 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 54.

The square root of 677709855 is about 26032.8610605903. The cubic root of 677709855 is about 878.3776302382.

The spelling of 677709855 in words is "six hundred seventy-seven million, seven hundred nine thousand, eight hundred fifty-five".