25867275079 has 4 divisors (see below), whose sum is σ = 26118413776. Its totient is φ = 25616136384.

The previous prime is 25867275073. The next prime is 25867275097. The reversal of 25867275079 is 97057276852.

It is a happy number.

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 25867275079 - 2⁵ = 25867275047 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 (25867275073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125569194 + ... + 125569399.

It is an arithmetic number, because the mean of its divisors is an integer number (6529603444).

Almost surely, 2^25867275079 is an apocalyptic number.

25867275079 is a deficient number, since it is larger than the sum of its proper divisors (251138697).

25867275079 is a wasteful number, since it uses less digits than its factorization.

25867275079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251138696.

The product of its (nonzero) digits is 14817600, while the sum is 58.

The spelling of 25867275079 in words is "twenty-five billion, eight hundred sixty-seven million, two hundred seventy-five thousand, seventy-nine".