99997093824 has 56 divisors (see below), whose sum is σ = 273110358528. Its totient is φ = 32257125120.

The previous prime is 99997093811. The next prime is 99997093871. The reversal of 99997093824 is 42839079999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8394342 + ... + 8406245.

It is an arithmetic number, because the mean of its divisors is an integer number (4876970688).

Almost surely, 2^99997093824 is an apocalyptic number.

It is an amenable number.

99997093824 is an abundant number, since it is smaller than the sum of its proper divisors (173113264704).

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

99997093824 is a wasteful number, since it uses less digits than its factorization.

99997093824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16800633 (or 16800623 counting only the distinct ones).

The product of its (nonzero) digits is 79361856, while the sum is 69.

The spelling of 99997093824 in words is "ninety-nine billion, nine hundred ninety-seven million, ninety-three thousand, eight hundred twenty-four".