25786963167 has 16 divisors (see below), whose sum is σ = 39683476992. Its totient is φ = 14589511200.

The previous prime is 25786963159. The next prime is 25786963201. The reversal of 25786963167 is 76136968752.

It is not a de Polignac number, because 25786963167 - 2³ = 25786963159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25786963167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25786963117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6076843 + ... + 6081084.

It is an arithmetic number, because the mean of its divisors is an integer number (2480217312).

Almost surely, 2^25786963167 is an apocalyptic number.

25786963167 is a deficient number, since it is larger than the sum of its proper divisors (13896513825).

25786963167 is a wasteful number, since it uses less digits than its factorization.

25786963167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12158038.

The product of its digits is 22861440, while the sum is 60.

The spelling of 25786963167 in words is "twenty-five billion, seven hundred eighty-six million, nine hundred sixty-three thousand, one hundred sixty-seven".