25868715788 has 48 divisors (see below), whose sum is σ = 48854623104. Its totient is φ = 11940618240.

The previous prime is 25868715787. The next prime is 25868715827. The reversal of 25868715788 is 88751786852.

It is not an unprimeable number, because it can be changed into a prime (25868715787) 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, 1513820 + ... + 1530812.

It is an arithmetic number, because the mean of its divisors is an integer number (1017804648).

Almost surely, 2^25868715788 is an apocalyptic number.

It is an amenable number.

25868715788 is a deficient number, since it is larger than the sum of its proper divisors (22985907316).

25868715788 is a wasteful number, since it uses less digits than its factorization.

25868715788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17442 (or 17440 counting only the distinct ones).

The product of its digits is 60211200, while the sum is 65.

The spelling of 25868715788 in words is "twenty-five billion, eight hundred sixty-eight million, seven hundred fifteen thousand, seven hundred eighty-eight".