677168464 has 160 divisors (see below), whose sum is σ = 1631895552. Its totient is φ = 266112000.

The previous prime is 677168447. The next prime is 677168489. The reversal of 677168464 is 464861776.

It is a super-2 number, since 2×677168464² = 917114257272238592, which contains 22 as substring.

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, 9537549 + ... + 9537619.

Almost surely, 2^677168464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677168464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815947776).

677168464 is an abundant number, since it is smaller than the sum of its proper divisors (954727088).

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

677168464 is a wasteful number, since it uses less digits than its factorization.

677168464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 219 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The square root of 677168464 is about 26022.4607598897. The cubic root of 677168464 is about 878.1436695313.

The spelling of 677168464 in words is "six hundred seventy-seven million, one hundred sixty-eight thousand, four hundred sixty-four".