99115470720 has 256 divisors, whose sum is σ = 401182156800. Its totient is φ = 22654937088.

The previous prime is 99115470709. The next prime is 99115470743. The reversal of 99115470720 is 2707451199.

99115470720 is a `hidden beast` number, since 99 + 11 + 547 + 0 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288744 + ... + 530663.

It is an arithmetic number, because the mean of its divisors is an integer number (1567117800).

Almost surely, 2^99115470720 is an apocalyptic number.

99115470720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99115470720 is an abundant number, since it is smaller than the sum of its proper divisors (302066686080).

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

99115470720 is a wasteful number, since it uses less digits than its factorization.

99115470720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819442 (or 819424 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The spelling of 99115470720 in words is "ninety-nine billion, one hundred fifteen million, four hundred seventy thousand, seven hundred twenty".