377725681 has 8 divisors (see below), whose sum is σ = 399608000. Its totient is φ = 356043600.

The previous prime is 377725679. The next prime is 377725687. The reversal of 377725681 is 186527773.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 377725681 - 2¹ = 377725679 is a prime.

It is a super-2 number, since 2×377725681² = 285353380173827522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (377725687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46170 + ... + 53731.

It is an arithmetic number, because the mean of its divisors is an integer number (49951000).

Almost surely, 2^377725681 is an apocalyptic number.

It is an amenable number.

377725681 is a deficient number, since it is larger than the sum of its proper divisors (21882319).

377725681 is a wasteful number, since it uses less digits than its factorization.

377725681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100119.

The product of its digits is 493920, while the sum is 46.

The square root of 377725681 is about 19435.1660913922. The cubic root of 377725681 is about 722.8677300953.

The spelling of 377725681 in words is "three hundred seventy-seven million, seven hundred twenty-five thousand, six hundred eighty-one".