25775500079 has 8 divisors (see below), whose sum is σ = 31190521248. Its totient is φ = 20793680640.

The previous prime is 25775500067. The next prime is 25775500099. The reversal of 25775500079 is 97000557752.

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 25775500079 - 2²⁰ = 25774451503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25775500099) 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 7 ways as a sum of consecutive naturals, for example, 108300302 + ... + 108300539.

It is an arithmetic number, because the mean of its divisors is an integer number (3898815156).

Almost surely, 2^25775500079 is an apocalyptic number.

25775500079 is a deficient number, since it is larger than the sum of its proper divisors (5415021169).

25775500079 is a wasteful number, since it uses less digits than its factorization.

25775500079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216600865.

The product of its (nonzero) digits is 771750, while the sum is 47.

The spelling of 25775500079 in words is "twenty-five billion, seven hundred seventy-five million, five hundred thousand, seventy-nine".