677551587387164 has 24 divisors (see below), whose sum is σ = 1356094471979520. Its totient is φ = 290166830907696.

The previous prime is 677551587387149. The next prime is 677551587387193. The reversal of 677551587387164 is 461783785155776.

It is a congruent number.

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, 8850828944 + ... + 8850905495.

It is an arithmetic number, because the mean of its divisors is an integer number (56503936332480).

Almost surely, 2^{677551587387164} is an apocalyptic number.

It is an amenable number.

677551587387164 is an abundant number, since it is smaller than the sum of its proper divisors (678542884592356).

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

677551587387164 is a wasteful number, since it uses less digits than its factorization.

677551587387164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17701735817 (or 17701735815 counting only the distinct ones).

The product of its digits is 8297856000, while the sum is 80.

The spelling of 677551587387164 in words is "six hundred seventy-seven trillion, five hundred fifty-one billion, five hundred eighty-seven million, three hundred eighty-seven thousand, one hundred sixty-four".