99574047599 has 4 divisors (see below), whose sum is σ = 107233589736. Its totient is φ = 91914505464.

The previous prime is 99574047571. The next prime is 99574047619.

99574047599 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99574047599 - 2⁸ = 99574047343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99574047799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3829771049 + ... + 3829771074.

It is an arithmetic number, because the mean of its divisors is an integer number (26808397434).

Almost surely, 2^99574047599 is an apocalyptic number.

99574047599 is a deficient number, since it is larger than the sum of its proper divisors (7659542137).

99574047599 is a wasteful number, since it uses less digits than its factorization.

99574047599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7659542136.

The product of its (nonzero) digits is 128595600, while the sum is 68.

The spelling of 99574047599 in words is "ninety-nine billion, five hundred seventy-four million, forty-seven thousand, five hundred ninety-nine".