99933118883 has 16 divisors (see below), whose sum is σ = 108767604960. Its totient is φ = 91263200256.

The previous prime is 99933118871. The next prime is 99933118919. The reversal of 99933118883 is 38881133999.

It is a happy number.

It is a Cunningham number, because it is equal to 316122²-1.

It is a cyclic number.

It is not a de Polignac number, because 99933118883 - 2⁴ = 99933118867 is a prime.

It is a super-2 number, since 2×99933118883² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99933118843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4097441 + ... + 4121757.

It is an arithmetic number, because the mean of its divisors is an integer number (6797975310).

Almost surely, 2^99933118883 is an apocalyptic number.

99933118883 is a deficient number, since it is larger than the sum of its proper divisors (8834486077).

99933118883 is a wasteful number, since it uses less digits than its factorization.

99933118883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27686.

The product of its digits is 10077696, while the sum is 62.

The spelling of 99933118883 in words is "ninety-nine billion, nine hundred thirty-three million, one hundred eighteen thousand, eight hundred eighty-three".