99799371 has 72 divisors (see below), whose sum is σ = 178555104. Its totient is φ = 54587520.

The previous prime is 99799363. The next prime is 99799379. The reversal of 99799371 is 17399799.

It is an interprime number because it is at equal distance from previous prime (99799363) and next prime (99799379).

It is not a de Polignac number, because 99799371 - 2³ = 99799363 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (99799379) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1882981 + ... + 1883033.

It is an arithmetic number, because the mean of its divisors is an integer number (2479932).

Almost surely, 2^99799371 is an apocalyptic number.

99799371 is a deficient number, since it is larger than the sum of its proper divisors (78755733).

99799371 is an frugal number, since it uses more digits than its factorization.

99799371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 104 counting only the distinct ones).

The product of its digits is 964467, while the sum is 54.

The square root of 99799371 is about 9989.9635134469. The cubic root of 99799371 is about 463.8482630951.

The spelling of 99799371 in words is "ninety-nine million, seven hundred ninety-nine thousand, three hundred seventy-one".