99388718060 has 24 divisors (see below), whose sum is σ = 220993738560. Its totient is φ = 37416929024.

The previous prime is 99388717991. The next prime is 99388718063. The reversal of 99388718060 is 6081788399.

It is a super-2 number, since 2×99388718060² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99388718063) 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, 146159540 + ... + 146160219.

It is an arithmetic number, because the mean of its divisors is an integer number (9208072440).

Almost surely, 2^99388718060 is an apocalyptic number.

It is an amenable number.

99388718060 is an abundant number, since it is smaller than the sum of its proper divisors (121605020500).

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

99388718060 is a wasteful number, since it uses less digits than its factorization.

99388718060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292319785 (or 292319783 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 99388718060 in words is "ninety-nine billion, three hundred eighty-eight million, seven hundred eighteen thousand, sixty".