25064427716 has 24 divisors (see below), whose sum is σ = 44287084800. Its totient is φ = 12411051552.

The previous prime is 25064427691. The next prime is 25064427763. The reversal of 25064427716 is 61772446052.

It is a happy 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, 1641485 + ... + 1656683.

It is an arithmetic number, because the mean of its divisors is an integer number (1845295200).

Almost surely, 2^25064427716 is an apocalyptic number.

It is an amenable number.

25064427716 is a deficient number, since it is larger than the sum of its proper divisors (19222657084).

25064427716 is a wasteful number, since it uses less digits than its factorization.

25064427716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19163 (or 19161 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 25064427716 in words is "twenty-five billion, sixty-four million, four hundred twenty-seven thousand, seven hundred sixteen".