25795689108 has 24 divisors (see below), whose sum is σ = 68788504512. Its totient is φ = 7370196864.

The previous prime is 25795689097. The next prime is 25795689113. The reversal of 25795689108 is 80198659752.

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, 153545685 + ... + 153545852.

It is an arithmetic number, because the mean of its divisors is an integer number (2866187688).

Almost surely, 2^25795689108 is an apocalyptic number.

25795689108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25795689108 is an abundant number, since it is smaller than the sum of its proper divisors (42992815404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25795689108 is a wasteful number, since it uses less digits than its factorization.

25795689108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307091551 (or 307091549 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 60.

The spelling of 25795689108 in words is "twenty-five billion, seven hundred ninety-five million, six hundred eighty-nine thousand, one hundred eight".