25768948887 has 12 divisors (see below), whose sum is σ = 40605616584. Its totient is φ = 15617544720.

The previous prime is 25768948879. The next prime is 25768948937. The reversal of 25768948887 is 78884986752.

25768948887 is a `hidden beast` number, since 2 + 5 + 7 + 68 + 9 + 488 + 87 = 666.

It is not a de Polignac number, because 25768948887 - 2³ = 25768948879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25768948837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130146108 + ... + 130146305.

It is an arithmetic number, because the mean of its divisors is an integer number (3383801382).

Almost surely, 2^25768948887 is an apocalyptic number.

25768948887 is a deficient number, since it is larger than the sum of its proper divisors (14836667697).

25768948887 is a wasteful number, since it uses less digits than its factorization.

25768948887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260292430 (or 260292427 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 72.

The spelling of 25768948887 in words is "twenty-five billion, seven hundred sixty-eight million, nine hundred forty-eight thousand, eight hundred eighty-seven".