25864358976 has 63 divisors (see below), whose sum is σ = 74146580053. Its totient is φ = 8620166400.

The previous prime is 25864358921. The next prime is 25864358983. The reversal of 25864358976 is 67985346852.

It is a happy number.

The square root of 25864358976 is 160824.

It is a perfect power (a square), and thus also a powerful number.

25864358976 is a `hidden beast` number, since 2 + 5 + 8 + 6 + 43 + 589 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10408896576 + 15455462400 = 102024^2 + 124320^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3856426 + ... + 3863126.

Almost surely, 2^25864358976 is an apocalyptic number.

25864358976 is the 160824-th square number.

It is an amenable number.

25864358976 is an abundant number, since it is smaller than the sum of its proper divisors (48282221077).

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

25864358976 is an frugal number, since it uses more digits than its factorization.

25864358976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13420 (or 6706 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 25864358976 in words is "twenty-five billion, eight hundred sixty-four million, three hundred fifty-eight thousand, nine hundred seventy-six".