377666856 has 48 divisors (see below), whose sum is σ = 1168970400. Its totient is φ = 107904672.

The previous prime is 377666837. The next prime is 377666953. The reversal of 377666856 is 658666773.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 374166 + ... + 375173.

It is an arithmetic number, because the mean of its divisors is an integer number (24353550).

Almost surely, 2^377666856 is an apocalyptic number.

377666856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

377666856 is an abundant number, since it is smaller than the sum of its proper divisors (791303544).

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

377666856 is a wasteful number, since it uses less digits than its factorization.

377666856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749358 (or 749351 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 377666856 is about 19433.6526674735. The cubic root of 377666856 is about 722.8302029480.

The spelling of 377666856 in words is "three hundred seventy-seven million, six hundred sixty-six thousand, eight hundred fifty-six".