25326863764 has 24 divisors (see below), whose sum is σ = 45057931520. Its totient is φ = 12453794496.

The previous prime is 25326863677. The next prime is 25326863773. The reversal of 25326863764 is 46736862352.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 84832 + ... + 240520.

Almost surely, 2^25326863764 is an apocalyptic number.

It is an amenable number.

25326863764 is a deficient number, since it is larger than the sum of its proper divisors (19731067756).

25326863764 is a wasteful number, since it uses less digits than its factorization.

25326863764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156367 (or 156365 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 52.

The spelling of 25326863764 in words is "twenty-five billion, three hundred twenty-six million, eight hundred sixty-three thousand, seven hundred sixty-four".