25178000798 has 16 divisors (see below), whose sum is σ = 38010359376. Its totient is φ = 12508083840.

The previous prime is 25178000753. The next prime is 25178000831. The reversal of 25178000798 is 89700087152.

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, 199940 + ... + 300552.

It is an arithmetic number, because the mean of its divisors is an integer number (2375647461).

Almost surely, 2^25178000798 is an apocalyptic number.

25178000798 is a deficient number, since it is larger than the sum of its proper divisors (12832358578).

25178000798 is a wasteful number, since it uses less digits than its factorization.

25178000798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101419.

The product of its (nonzero) digits is 282240, while the sum is 47.

The spelling of 25178000798 in words is "twenty-five billion, one hundred seventy-eight million, seven hundred ninety-eight", and thus it is an aban number.