99397798595 has 16 divisors (see below), whose sum is σ = 119530043712. Its totient is φ = 79349921280.

The previous prime is 99397798561. The next prime is 99397798601. The reversal of 99397798595 is 59589779399.

It is not a de Polignac number, because 99397798595 - 2¹⁰ = 99397797571 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6785399 + ... + 6800031.

It is an arithmetic number, because the mean of its divisors is an integer number (7470627732).

Almost surely, 2^99397798595 is an apocalyptic number.

99397798595 is a deficient number, since it is larger than the sum of its proper divisors (20132245117).

99397798595 is a wasteful number, since it uses less digits than its factorization.

99397798595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17422.

The product of its digits is 1736040600, while the sum is 80.

The spelling of 99397798595 in words is "ninety-nine billion, three hundred ninety-seven million, seven hundred ninety-eight thousand, five hundred ninety-five".