377125661 has 12 divisors (see below), whose sum is σ = 436346400. Its totient is φ = 324795240.

The previous prime is 377125631. The next prime is 377125681. The reversal of 377125661 is 166521773.

It is not a de Polignac number, because 377125661 - 2⁶ = 377125597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377125601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79721 + ... + 84318.

It is an arithmetic number, because the mean of its divisors is an integer number (36362200).

Almost surely, 2^377125661 is an apocalyptic number.

It is an amenable number.

377125661 is a deficient number, since it is larger than the sum of its proper divisors (59220739).

377125661 is a wasteful number, since it uses less digits than its factorization.

377125661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164080 (or 164069 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 377125661 is about 19419.7235047258. The cubic root of 377125661 is about 722.4847670228.

The spelling of 377125661 in words is "three hundred seventy-seven million, one hundred twenty-five thousand, six hundred sixty-one".