99833881 has 32 divisors (see below), whose sum is σ = 122135040. Its totient is φ = 79833600.

The previous prime is 99833879. The next prime is 99833933. The reversal of 99833881 is 18833899.

It is not a de Polignac number, because 99833881 - 2¹ = 99833879 is a prime.

It is a super-2 number, since 2×99833881² = 19933607591044322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99833861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1121685 + ... + 1121773.

It is an arithmetic number, because the mean of its divisors is an integer number (3816720).

Almost surely, 2^99833881 is an apocalyptic number.

It is an amenable number.

99833881 is a deficient number, since it is larger than the sum of its proper divisors (22301159).

99833881 is a wasteful number, since it uses less digits than its factorization.

99833881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its digits is 373248, while the sum is 49.

The square root of 99833881 is about 9991.6905976917. The cubic root of 99833881 is about 463.9017222123.

The spelling of 99833881 in words is "ninety-nine million, eight hundred thirty-three thousand, eight hundred eighty-one".