99859272 has 32 divisors (see below), whose sum is σ = 255739680. Its totient is φ = 32474240.

The previous prime is 99859247. The next prime is 99859273. The reversal of 99859272 is 27295899.

It is not an unprimeable number, because it can be changed into a prime (99859273) 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, 49758 + ... + 51725.

It is an arithmetic number, because the mean of its divisors is an integer number (7991865).

Almost surely, 2^99859272 is an apocalyptic number.

It is an amenable number.

99859272 is an abundant number, since it is smaller than the sum of its proper divisors (155880408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99859272 is a wasteful number, since it uses less digits than its factorization.

99859272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101533 (or 101529 counting only the distinct ones).

The product of its digits is 816480, while the sum is 51.

The square root of 99859272 is about 9992.9611227103. The cubic root of 99859272 is about 463.9410473061.

The spelling of 99859272 in words is "ninety-nine million, eight hundred fifty-nine thousand, two hundred seventy-two".