8683525638 has 48 divisors (see below), whose sum is σ = 19340863776. Its totient is φ = 2814618240.

The previous prime is 8683525511. The next prime is 8683525649. The reversal of 8683525638 is 8365253868.

8683525638 is a `hidden beast` number, since 8 + 6 + 83 + 525 + 6 + 38 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46756 + ... + 139832.

It is an arithmetic number, because the mean of its divisors is an integer number (402934662).

Almost surely, 2^8683525638 is an apocalyptic number.

8683525638 is an abundant number, since it is smaller than the sum of its proper divisors (10657338138).

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

8683525638 is a wasteful number, since it uses less digits than its factorization.

8683525638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93229 (or 93226 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The square root of 8683525638 is about 93185.4368343037. The cubic root of 8683525638 is about 2055.4110971827.

The spelling of 8683525638 in words is "eight billion, six hundred eighty-three million, five hundred twenty-five thousand, six hundred thirty-eight".