25979172814 has 8 divisors (see below), whose sum is σ = 44535724848. Its totient is φ = 11133931200.

The previous prime is 25979172799. The next prime is 25979172841. The reversal of 25979172814 is 41827197952.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927827587 + ... + 927827614.

It is an arithmetic number, because the mean of its divisors is an integer number (5566965606).

Almost surely, 2^25979172814 is an apocalyptic number.

25979172814 is a deficient number, since it is larger than the sum of its proper divisors (18556552034).

25979172814 is a wasteful number, since it uses less digits than its factorization.

25979172814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855655210.

The product of its digits is 2540160, while the sum is 55.

The spelling of 25979172814 in words is "twenty-five billion, nine hundred seventy-nine million, one hundred seventy-two thousand, eight hundred fourteen".