377640513 has 12 divisors (see below), whose sum is σ = 545829648. Its totient is φ = 251599320.

The previous prime is 377640511. The next prime is 377640521. The reversal of 377640513 is 315046773.

377640513 is a `hidden beast` number, since 3 + 7 + 7 + 640 + 5 + 1 + 3 = 666.

It is not a de Polignac number, because 377640513 - 2¹ = 377640511 is a prime.

It is a super-2 number, since 2×377640513² = 285224714117806338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (377640511) 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 11 ways as a sum of consecutive naturals, for example, 2418 + ... + 27588.

It is an arithmetic number, because the mean of its divisors is an integer number (45485804).

Almost surely, 2^377640513 is an apocalyptic number.

It is an amenable number.

377640513 is a deficient number, since it is larger than the sum of its proper divisors (168189135).

377640513 is a wasteful number, since it uses less digits than its factorization.

377640513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26844 (or 26841 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 377640513 is about 19432.9748880608. The cubic root of 377640513 is about 722.8133962849.

The spelling of 377640513 in words is "three hundred seventy-seven million, six hundred forty thousand, five hundred thirteen".