5377720257 has 72 divisors (see below), whose sum is σ = 10045351680. Its totient is φ = 2745005760.

The previous prime is 5377720219. The next prime is 5377720261. The reversal of 5377720257 is 7520277735.

It is a happy number.

5377720257 is a `hidden beast` number, since 5 + 377 + 7 + 20 + 257 = 666.

It is not a de Polignac number, because 5377720257 - 2⁷ = 5377720129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5377720277) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 162594 + ... + 192852.

Almost surely, 2^5377720257 is an apocalyptic number.

It is an amenable number.

5377720257 is a deficient number, since it is larger than the sum of its proper divisors (4667631423).

5377720257 is a wasteful number, since it uses less digits than its factorization.

5377720257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30323 (or 30313 counting only the distinct ones).

The product of its (nonzero) digits is 720300, while the sum is 45.

The square root of 5377720257 is about 73332.9411451634. The cubic root of 5377720257 is about 1751.9944886688.

The spelling of 5377720257 in words is "five billion, three hundred seventy-seven million, seven hundred twenty thousand, two hundred fifty-seven".