677164664 has 32 divisors (see below), whose sum is σ = 1390055040. Its totient is φ = 306703200.

The previous prime is 677164637. The next prime is 677164669. The reversal of 677164664 is 466461776.

677164664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677164669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11309 + ... + 38499.

It is an arithmetic number, because the mean of its divisors is an integer number (43439220).

Almost surely, 2^677164664 is an apocalyptic number.

It is an amenable number.

677164664 is an abundant number, since it is smaller than the sum of its proper divisors (712890376).

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

677164664 is a wasteful number, since it uses less digits than its factorization.

677164664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27491 (or 27487 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 677164664 is about 26022.3877459391. The cubic root of 677164664 is about 878.1420269306.

The spelling of 677164664 in words is "six hundred seventy-seven million, one hundred sixty-four thousand, six hundred sixty-four".