377620864 has 32 divisors (see below), whose sum is σ = 796548600. Its totient is φ = 177702912.

The previous prime is 377620769. The next prime is 377620879. The reversal of 377620864 is 468026773.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 377620864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84594 + ... + 88945.

Almost surely, 2^377620864 is an apocalyptic number.

377620864 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

377620864 is an abundant number, since it is smaller than the sum of its proper divisors (418927736).

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

377620864 is a wasteful number, since it uses less digits than its factorization.

377620864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173570 (or 173558 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 377620864 is about 19432.4693232744. The cubic root of 377620864 is about 722.8008598415.

The spelling of 377620864 in words is "three hundred seventy-seven million, six hundred twenty thousand, eight hundred sixty-four".