377991364 has 9 divisors (see below), whose sum is σ = 661552941. Its totient is φ = 188976240.

The previous prime is 377991359. The next prime is 377991373. The reversal of 377991364 is 463199773.

It is a happy number.

The square root of 377991364 is 19442.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9351364 + 368640000 = 3058^2 + 19200^2 .

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 34024 + ... + 43744.

Almost surely, 2^377991364 is an apocalyptic number.

377991364 is the 19442-nd square number.

It is an amenable number.

377991364 is a deficient number, since it is larger than the sum of its proper divisors (283561577).

377991364 is an frugal number, since it uses more digits than its factorization.

377991364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19446 (or 9723 counting only the distinct ones).

The product of its digits is 857304, while the sum is 49.

The cubic root of 377991364 is about 723.0371728644.

Multiplying 377991364 by its sum of digits (49), we get a square (18521576836 = 136094²).

The spelling of 377991364 in words is "three hundred seventy-seven million, nine hundred ninety-one thousand, three hundred sixty-four".