8500038538 has 16 divisors (see below), whose sum is σ = 12877937280. Its totient is φ = 4207419216.

The previous prime is 8500038529. The next prime is 8500038553. The reversal of 8500038538 is 8358300058.

It is a self number, because there is not a number n which added to its sum of digits gives 8500038538.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074883 + ... + 1082761.

It is an arithmetic number, because the mean of its divisors is an integer number (804871080).

Almost surely, 2^8500038538 is an apocalyptic number.

8500038538 is a deficient number, since it is larger than the sum of its proper divisors (4377898742).

8500038538 is a wasteful number, since it uses less digits than its factorization.

8500038538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13221.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 8500038538 is about 92195.6535743416. The cubic root of 8500038538 is about 2040.8306352447.

The spelling of 8500038538 in words is "eight billion, five hundred million, thirty-eight thousand, five hundred thirty-eight".