380457577631 has 4 divisors (see below), whose sum is σ = 381316398792. Its totient is φ = 379598756472.

The previous prime is 380457577613. The next prime is 380457577637. The reversal of 380457577631 is 136775754083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 380457577631 - 2²⁶ = 380390468767 is a prime.

It is a super-2 number, since 2×380457577631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380457577637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429409916 + ... + 429410801.

It is an arithmetic number, because the mean of its divisors is an integer number (95329099698).

Almost surely, 2^380457577631 is an apocalyptic number.

380457577631 is a deficient number, since it is larger than the sum of its proper divisors (858821161).

380457577631 is an equidigital number, since it uses as much as digits as its factorization.

380457577631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858821160.

The product of its (nonzero) digits is 14817600, while the sum is 56.

The spelling of 380457577631 in words is "three hundred eighty billion, four hundred fifty-seven million, five hundred seventy-seven thousand, six hundred thirty-one".