677645886835 has 48 divisors (see below), whose sum is σ = 906555373920. Its totient is φ = 484528112640.

The previous prime is 677645886823. The next prime is 677645886851. The reversal of 677645886835 is 538688546776.

It is not a de Polignac number, because 677645886835 - 2³⁵ = 643286148467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6195925 + ... + 6304345.

It is an arithmetic number, because the mean of its divisors is an integer number (18886570290).

Almost surely, 2^677645886835 is an apocalyptic number.

677645886835 is a deficient number, since it is larger than the sum of its proper divisors (228909487085).

677645886835 is a wasteful number, since it uses less digits than its factorization.

677645886835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108628 (or 108605 counting only the distinct ones).

The product of its digits is 1625702400, while the sum is 73.

The spelling of 677645886835 in words is "six hundred seventy-seven billion, six hundred forty-five million, eight hundred eighty-six thousand, eight hundred thirty-five".