99471758399 has 4 divisors (see below), whose sum is σ = 107123432136. Its totient is φ = 91820084664.

The previous prime is 99471758341. The next prime is 99471758459. The reversal of 99471758399 is 99385717499.

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 99471758399 - 2²⁴ = 99454981183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99471758339) 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, 3825836849 + ... + 3825836874.

It is an arithmetic number, because the mean of its divisors is an integer number (26780858034).

Almost surely, 2^99471758399 is an apocalyptic number.

99471758399 is a deficient number, since it is larger than the sum of its proper divisors (7651673737).

99471758399 is a wasteful number, since it uses less digits than its factorization.

99471758399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651673736.

The product of its digits is 154314720, while the sum is 71.

The spelling of 99471758399 in words is "ninety-nine billion, four hundred seventy-one million, seven hundred fifty-eight thousand, three hundred ninety-nine".