376777664 has 28 divisors (see below), whose sum is σ = 791650944. Its totient is φ = 177306624.

The previous prime is 376777603. The next prime is 376777699. The reversal of 376777664 is 466777673.

It is a happy number.

It is a super-2 number, since 2×376777664² = 283922816178593792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172064 + ... + 174239.

It is an arithmetic number, because the mean of its divisors is an integer number (28273248).

Almost surely, 2^376777664 is an apocalyptic number.

376777664 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

376777664 is an abundant number, since it is smaller than the sum of its proper divisors (414873280).

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

376777664 is a wasteful number, since it uses less digits than its factorization.

376777664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346332 (or 346322 counting only the distinct ones).

The product of its digits is 6223392, while the sum is 53.

The square root of 376777664 is about 19410.7615512633. The cubic root of 376777664 is about 722.2624716170.

Subtracting 376777664 from its reverse (466777673), we obtain a palindrome (90000009).

The spelling of 376777664 in words is "three hundred seventy-six million, seven hundred seventy-seven thousand, six hundred sixty-four".