25827712764 has 48 divisors (see below), whose sum is σ = 68881843968. Its totient is φ = 7378495488.

The previous prime is 25827712763. The next prime is 25827712783. The reversal of 25827712764 is 46721772852.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25827712763) 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, 1258812 + ... + 1279164.

It is an arithmetic number, because the mean of its divisors is an integer number (1435038416).

Almost surely, 2^25827712764 is an apocalyptic number.

It is an amenable number.

25827712764 is an abundant number, since it is smaller than the sum of its proper divisors (43054131204).

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

25827712764 is a wasteful number, since it uses less digits than its factorization.

25827712764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35474 (or 35472 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 51.

The spelling of 25827712764 in words is "twenty-five billion, eight hundred twenty-seven million, seven hundred twelve thousand, seven hundred sixty-four".