25827729772 has 12 divisors (see below), whose sum is σ = 48675336976. Its totient is φ = 11920490640.

The previous prime is 25827729769. The next prime is 25827729773. The reversal of 25827729772 is 27792772852.

It is not an unprimeable number, because it can be changed into a prime (25827729773) 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 3 ways as a sum of consecutive naturals, for example, 248343504 + ... + 248343607.

Almost surely, 2^25827729772 is an apocalyptic number.

It is an amenable number.

25827729772 is a deficient number, since it is larger than the sum of its proper divisors (22847607204).

25827729772 is a wasteful number, since it uses less digits than its factorization.

25827729772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496687128 (or 496687126 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 58.

The spelling of 25827729772 in words is "twenty-five billion, eight hundred twenty-seven million, seven hundred twenty-nine thousand, seven hundred seventy-two".