25479768822 has 64 divisors (see below), whose sum is σ = 53157081600. Its totient is φ = 8132140800.

The previous prime is 25479768803. The next prime is 25479768829. The reversal of 25479768822 is 22886797452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25479768829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17463129 + ... + 17464587.

It is an arithmetic number, because the mean of its divisors is an integer number (830579400).

Almost surely, 2^25479768822 is an apocalyptic number.

25479768822 is an abundant number, since it is smaller than the sum of its proper divisors (27677312778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25479768822 is a wasteful number, since it uses less digits than its factorization.

25479768822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261.

The product of its digits is 27095040, while the sum is 60.

The spelling of 25479768822 in words is "twenty-five billion, four hundred seventy-nine million, seven hundred sixty-eight thousand, eight hundred twenty-two".