377825664 has 64 divisors (see below), whose sum is σ = 1006262640. Its totient is φ = 125607936.

The previous prime is 377825653. The next prime is 377825677. The reversal of 377825664 is 466528773.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 174412 + ... + 176564.

Almost surely, 2^377825664 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 377825664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503131320).

377825664 is an abundant number, since it is smaller than the sum of its proper divisors (628436976).

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

377825664 is a wasteful number, since it uses less digits than its factorization.

377825664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627 (or 2615 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The square root of 377825664 is about 19437.7381400203. The cubic root of 377825664 is about 722.9315048679.

The spelling of 377825664 in words is "three hundred seventy-seven million, eight hundred twenty-five thousand, six hundred sixty-four".