8668237525 has 12 divisors (see below), whose sum is σ = 11380886532. Its totient is φ = 6526672640.

The previous prime is 8668237511. The next prime is 8668237531. The reversal of 8668237525 is 5257328668.

It can be written as a sum of positive squares in 6 ways, for example, as 288116676 + 8380120849 = 16974^2 + 91543^2 .

It is not a de Polignac number, because 8668237525 - 2¹⁹ = 8667713237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10197502 + ... + 10198351.

It is an arithmetic number, because the mean of its divisors is an integer number (948407211).

Almost surely, 2^8668237525 is an apocalyptic number.

8668237525 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8668237525 is a deficient number, since it is larger than the sum of its proper divisors (2712649007).

8668237525 is a wasteful number, since it uses less digits than its factorization.

8668237525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20395880 (or 20395875 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The square root of 8668237525 is about 93103.3701054908. The cubic root of 8668237525 is about 2054.2041443972.

The spelling of 8668237525 in words is "eight billion, six hundred sixty-eight million, two hundred thirty-seven thousand, five hundred twenty-five".