25710788608 has 64 divisors (see below), whose sum is σ = 51908438520. Its totient is φ = 12733513728.

The previous prime is 25710788539. The next prime is 25710788611. The reversal of 25710788608 is 80688701752.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×25710788608² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3502510 + ... + 3509842.

Almost surely, 2^25710788608 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 25710788608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25954219260).

25710788608 is an abundant number, since it is smaller than the sum of its proper divisors (26197649912).

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

25710788608 is an frugal number, since it uses more digits than its factorization.

25710788608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7470 (or 7442 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 52.

The spelling of 25710788608 in words is "twenty-five billion, seven hundred ten million, seven hundred eighty-eight thousand, six hundred eight".