25700216890088 has 32 divisors (see below), whose sum is σ = 51913222997160. Its totient is φ = 11857397587200.

The previous prime is 25700216890069. The next prime is 25700216890099. The reversal of 25700216890088 is 88009861200752.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15163064664484 + 10537152225604 = 3893978^2 + 3246098^2 .

It is a super-2 number, since 2×25700216890088² (a number of 28 digits) contains 22 as substring.

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, 43884563 + ... + 44466338.

Almost surely, 2^{25700216890088} is an apocalyptic number.

It is an amenable number.

25700216890088 is an abundant number, since it is smaller than the sum of its proper divisors (26213006107072).

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

25700216890088 is a wasteful number, since it uses less digits than its factorization.

25700216890088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88353717 (or 88353713 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 25700216890088 in words is "twenty-five trillion, seven hundred billion, two hundred sixteen million, eight hundred ninety thousand, eighty-eight".