377887664 has 40 divisors (see below), whose sum is σ = 912822528. Its totient is φ = 147228480.

The previous prime is 377887663. The next prime is 377887669. The reversal of 377887664 is 466788773.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (377887663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152132 + ... + 154595.

Almost surely, 2^377887664 is an apocalyptic number.

It is an amenable number.

377887664 is an abundant number, since it is smaller than the sum of its proper divisors (534934864).

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

377887664 is a wasteful number, since it uses less digits than its factorization.

377887664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306753 (or 306747 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 56.

The square root of 377887664 is about 19439.3329103650. The cubic root of 377887664 is about 722.9710462985.

The spelling of 377887664 in words is "three hundred seventy-seven million, eight hundred eighty-seven thousand, six hundred sixty-four".