108834039639 has 40 divisors (see below), whose sum is σ = 175193073440. Its totient is φ = 66933584064.

The previous prime is 108834039623. The next prime is 108834039659. The reversal of 108834039639 is 936930438801.

108834039639 is a `hidden beast` number, since 108 + 83 + 40 + 396 + 39 = 666.

It is not a de Polignac number, because 108834039639 - 2⁴ = 108834039623 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108834039659) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1726494 + ... + 1788420.

It is an arithmetic number, because the mean of its divisors is an integer number (4379826836).

Almost surely, 2^108834039639 is an apocalyptic number.

108834039639 is a deficient number, since it is larger than the sum of its proper divisors (66359033801).

108834039639 is a wasteful number, since it uses less digits than its factorization.

108834039639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63621 (or 63612 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 108834039639 in words is "one hundred eight billion, eight hundred thirty-four million, thirty-nine thousand, six hundred thirty-nine".