99523538718 has 16 divisors (see below), whose sum is σ = 199199853696. Its totient is φ = 33149050200.

The previous prime is 99523538713. The next prime is 99523538813. The reversal of 99523538718 is 81783532599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99523538713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6357208 + ... + 6372843.

It is an arithmetic number, because the mean of its divisors is an integer number (12449990856).

Almost surely, 2^99523538718 is an apocalyptic number.

99523538718 is an abundant number, since it is smaller than the sum of its proper divisors (99676314978).

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

99523538718 is a wasteful number, since it uses less digits than its factorization.

99523538718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12731359.

The product of its digits is 16329600, while the sum is 60.

The spelling of 99523538718 in words is "ninety-nine billion, five hundred twenty-three million, five hundred thirty-eight thousand, seven hundred eighteen".