25879269771 has 16 divisors (see below), whose sum is σ = 38551487520. Its totient is φ = 17157523680.

The previous prime is 25879269763. The next prime is 25879269781. The reversal of 25879269771 is 17796297852.

It is not a de Polignac number, because 25879269771 - 2³ = 25879269763 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25879269699 and 25879269708.

It is not an unprimeable number, because it can be changed into a prime (25879269701) 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, 2642880 + ... + 2652653.

It is an arithmetic number, because the mean of its divisors is an integer number (2409467970).

Almost surely, 2^25879269771 is an apocalyptic number.

25879269771 is a deficient number, since it is larger than the sum of its proper divisors (12672217749).

25879269771 is a wasteful number, since it uses less digits than its factorization.

25879269771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295723 (or 5295717 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 63.

The spelling of 25879269771 in words is "twenty-five billion, eight hundred seventy-nine million, two hundred sixty-nine thousand, seven hundred seventy-one".