99397479399 has 8 divisors (see below), whose sum is σ = 133270364160. Its totient is φ = 65894790456.

The previous prime is 99397479277. The next prime is 99397479437.

99397479399 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99397479399 - 2¹⁷ = 99397348327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99397479199) 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, 92548327 + ... + 92549400.

It is an arithmetic number, because the mean of its divisors is an integer number (16658795520).

Almost surely, 2^99397479399 is an apocalyptic number.

99397479399 is a deficient number, since it is larger than the sum of its proper divisors (33872884761).

99397479399 is a wasteful number, since it uses less digits than its factorization.

99397479399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185097909.

The product of its digits is 937461924, while the sum is 78.

The spelling of 99397479399 in words is "ninety-nine billion, three hundred ninety-seven million, four hundred seventy-nine thousand, three hundred ninety-nine".