8625533538 has 16 divisors (see below), whose sum is σ = 17252650080. Its totient is φ = 2874914016.

The previous prime is 8625533537. The next prime is 8625533561. The reversal of 8625533538 is 8353355268.

It is not an unprimeable number, because it can be changed into a prime (8625533537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11958 + ... + 131886.

It is an arithmetic number, because the mean of its divisors is an integer number (1078290630).

Almost surely, 2^8625533538 is an apocalyptic number.

8625533538 is an abundant number, since it is smaller than the sum of its proper divisors (8627116542).

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

8625533538 is a wasteful number, since it uses less digits than its factorization.

8625533538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131921.

The product of its digits is 2592000, while the sum is 48.

The square root of 8625533538 is about 92873.7505326451. The cubic root of 8625533538 is about 2050.8252507673.

The spelling of 8625533538 in words is "eight billion, six hundred twenty-five million, five hundred thirty-three thousand, five hundred thirty-eight".