2131587577 has 8 divisors (see below), whose sum is σ = 2477390400. Its totient is φ = 1796107344.

The previous prime is 2131587547. The next prime is 2131587589. The reversal of 2131587577 is 7757851312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131587577 - 2²⁷ = 1997369849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131587547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2580202 + ... + 2581027.

It is an arithmetic number, because the mean of its divisors is an integer number (309673800).

Almost surely, 2^2131587577 is an apocalyptic number.

It is an amenable number.

2131587577 is a deficient number, since it is larger than the sum of its proper divisors (345802823).

2131587577 is an equidigital number, since it uses as much as digits as its factorization.

2131587577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161295.

The product of its digits is 411600, while the sum is 46.

The square root of 2131587577 is about 46169.1193006754. The cubic root of 2131587577 is about 1286.9679358948.

The spelling of 2131587577 in words is "two billion, one hundred thirty-one million, five hundred eighty-seven thousand, five hundred seventy-seven".