5877431991 has 24 divisors (see below), whose sum is σ = 8613324720. Its totient is φ = 3861288576.

The previous prime is 5877431977. The next prime is 5877431993. The reversal of 5877431991 is 1991347785.

It is a happy number.

5877431991 is a `hidden beast` number, since 58 + 77 + 431 + 9 + 91 = 666.

It is not a de Polignac number, because 5877431991 - 2¹⁰ = 5877430967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5877431993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 934405 + ... + 940673.

It is an arithmetic number, because the mean of its divisors is an integer number (358888530).

Almost surely, 2^5877431991 is an apocalyptic number.

5877431991 is a deficient number, since it is larger than the sum of its proper divisors (2735892729).

5877431991 is a wasteful number, since it uses less digits than its factorization.

5877431991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7775 (or 7772 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 5877431991 is about 76664.4115023392. The cubic root of 5877431991 is about 1804.6619882049.

The spelling of 5877431991 in words is "five billion, eight hundred seventy-seven million, four hundred thirty-one thousand, nine hundred ninety-one".