25079761860 has 96 divisors (see below), whose sum is σ = 71175283200. Its totient is φ = 6597427200.

The previous prime is 25079761849. The next prime is 25079761871. The reversal of 25079761860 is 6816797052.

It is an interprime number because it is at equal distance from previous prime (25079761849) and next prime (25079761871).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8952460 + ... + 8955260.

It is an arithmetic number, because the mean of its divisors is an integer number (741409200).

Almost surely, 2^25079761860 is an apocalyptic number.

25079761860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25079761860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35587641600).

25079761860 is an abundant number, since it is smaller than the sum of its proper divisors (46095521340).

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

25079761860 is a wasteful number, since it uses less digits than its factorization.

25079761860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781 (or 4779 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 25079761860 in words is "twenty-five billion, seventy-nine million, seven hundred sixty-one thousand, eight hundred sixty".