25580879271 has 8 divisors (see below), whose sum is σ = 37897598960. Its totient is φ = 17053919496.

The previous prime is 25580879237. The next prime is 25580879287. The reversal of 25580879271 is 17297808552.

25580879271 is a `hidden beast` number, since 2 + 558 + 0 + 87 + 9 + 2 + 7 + 1 = 666.

It is not a de Polignac number, because 25580879271 - 2⁷ = 25580879143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25580879221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473719960 + ... + 473720013.

It is an arithmetic number, because the mean of its divisors is an integer number (4737199870).

Almost surely, 2^25580879271 is an apocalyptic number.

25580879271 is a deficient number, since it is larger than the sum of its proper divisors (12316719689).

25580879271 is an equidigital number, since it uses as much as digits as its factorization.

25580879271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947439982 (or 947439976 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 54.

The spelling of 25580879271 in words is "twenty-five billion, five hundred eighty million, eight hundred seventy-nine thousand, two hundred seventy-one".