8887668525 has 18 divisors (see below), whose sum is σ = 15918802250. Its totient is φ = 4740089760.

The previous prime is 8887668497. The next prime is 8887668529. The reversal of 8887668525 is 5258667888.

It can be written as a sum of positive squares in 3 ways, for example, as 2023380324 + 6864288201 = 44982^2 + 82851^2 .

It is not a de Polignac number, because 8887668525 - 2¹⁶ = 8887602989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8887668529) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19750150 + ... + 19750599.

Almost surely, 2^8887668525 is an apocalyptic number.

It is an amenable number.

8887668525 is a deficient number, since it is larger than the sum of its proper divisors (7031133725).

8887668525 is a wasteful number, since it uses less digits than its factorization.

8887668525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39500765 (or 39500757 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 63.

The square root of 8887668525 is about 94274.4319791957. The cubic root of 8887668525 is about 2071.3935341053.

The spelling of 8887668525 in words is "eight billion, eight hundred eighty-seven million, six hundred sixty-eight thousand, five hundred twenty-five".