377872656 has 80 divisors (see below), whose sum is σ = 1117737984. Its totient is φ = 107759232.

The previous prime is 377872619. The next prime is 377872657. The reversal of 377872656 is 656278773.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 377872599 and 377872608.

It is not an unprimeable number, because it can be changed into a prime (377872657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324331 + ... + 325493.

Almost surely, 2^377872656 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 377872656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558868992).

377872656 is an abundant number, since it is smaller than the sum of its proper divisors (739865328).

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

377872656 is a wasteful number, since it uses less digits than its factorization.

377872656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148 (or 2142 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 51.

The square root of 377872656 is about 19438.9468850553. The cubic root of 377872656 is about 722.9614751180.

The spelling of 377872656 in words is "three hundred seventy-seven million, eight hundred seventy-two thousand, six hundred fifty-six".