25673475888 has 240 divisors, whose sum is σ = 78978650400. Its totient is φ = 7749181440.

The previous prime is 25673475847. The next prime is 25673475929. The reversal of 25673475888 is 88857437652.

25673475888 is a `hidden beast` number, since 2 + 5 + 6 + 7 + 3 + 47 + 588 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (25673475847) and next prime (25673475929).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29887203 + ... + 29888061.

It is an arithmetic number, because the mean of its divisors is an integer number (329077710).

Almost surely, 2^25673475888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25673475888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39489325200).

25673475888 is an abundant number, since it is smaller than the sum of its proper divisors (53305174512).

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

25673475888 is a wasteful number, since it uses less digits than its factorization.

25673475888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1331 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 63.

The spelling of 25673475888 in words is "twenty-five billion, six hundred seventy-three million, four hundred seventy-five thousand, eight hundred eighty-eight".