377688861 has 24 divisors (see below), whose sum is σ = 599511744. Its totient is φ = 227223360.

The previous prime is 377688833. The next prime is 377688863. The reversal of 377688861 is 168886773.

It is not a de Polignac number, because 377688861 - 2⁷ = 377688733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 377688798 and 377688807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377688863) 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 23 ways as a sum of consecutive naturals, for example, 361 + ... + 27486.

It is an arithmetic number, because the mean of its divisors is an integer number (24979656).

Almost surely, 2^377688861 is an apocalyptic number.

It is an amenable number.

377688861 is a deficient number, since it is larger than the sum of its proper divisors (221822883).

377688861 is a wasteful number, since it uses less digits than its factorization.

377688861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28001 (or 27998 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 377688861 is about 19434.2188163044. The cubic root of 377688861 is about 722.8442413961.

The spelling of 377688861 in words is "three hundred seventy-seven million, six hundred eighty-eight thousand, eight hundred sixty-one".