25879295431 has 4 divisors (see below), whose sum is σ = 28231958664. Its totient is φ = 23526632200.

The previous prime is 25879295399. The next prime is 25879295467. The reversal of 25879295431 is 13459297852.

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 25879295431 - 2⁵ = 25879295399 is a prime.

It is a super-2 number, since 2×25879295431² (a number of 22 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 (25879295831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176331600 + ... + 1176331621.

It is an arithmetic number, because the mean of its divisors is an integer number (7057989666).

Almost surely, 2^25879295431 is an apocalyptic number.

25879295431 is a deficient number, since it is larger than the sum of its proper divisors (2352663233).

25879295431 is a wasteful number, since it uses less digits than its factorization.

25879295431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352663232.

The product of its digits is 5443200, while the sum is 55.

The spelling of 25879295431 in words is "twenty-five billion, eight hundred seventy-nine million, two hundred ninety-five thousand, four hundred thirty-one".