25063064764 has 24 divisors (see below), whose sum is σ = 45796050720. Its totient is φ = 11979162624.

The previous prime is 25063064743. The next prime is 25063064771. The reversal of 25063064764 is 46746036052.

It is a self number, because there is not a number n which added to its sum of digits gives 25063064764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63372 + ... + 232684.

It is an arithmetic number, because the mean of its divisors is an integer number (1908168780).

Almost surely, 2^25063064764 is an apocalyptic number.

It is an amenable number.

25063064764 is a deficient number, since it is larger than the sum of its proper divisors (20732985956).

25063064764 is a wasteful number, since it uses less digits than its factorization.

25063064764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170949 (or 170947 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 25063064764 in words is "twenty-five billion, sixty-three million, sixty-four thousand, seven hundred sixty-four".