27857590131 has 8 divisors (see below), whose sum is σ = 42449661184. Its totient is φ = 15918622920.

The previous prime is 27857590127. The next prime is 27857590151. The reversal of 27857590131 is 13109575872.

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

It is not a de Polignac number, because 27857590131 - 2² = 27857590127 is a prime.

It is a super-2 number, since 2×27857590131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27857590151) 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, 663275935 + ... + 663275976.

It is an arithmetic number, because the mean of its divisors is an integer number (5306207648).

Almost surely, 2^27857590131 is an apocalyptic number.

27857590131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27857590131 is a deficient number, since it is larger than the sum of its proper divisors (14592071053).

27857590131 is a wasteful number, since it uses less digits than its factorization.

27857590131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326551921.

The product of its (nonzero) digits is 529200, while the sum is 48.

The spelling of 27857590131 in words is "twenty-seven billion, eight hundred fifty-seven million, five hundred ninety thousand, one hundred thirty-one".