99032017998 has 32 divisors (see below), whose sum is σ = 202691022336. Its totient is φ = 32239666368.

The previous prime is 99032017943. The next prime is 99032018021. The reversal of 99032017998 is 89971023099.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4459290 + ... + 4481442.

It is an arithmetic number, because the mean of its divisors is an integer number (6334094448).

Almost surely, 2^99032017998 is an apocalyptic number.

99032017998 is an abundant number, since it is smaller than the sum of its proper divisors (103659004338).

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

99032017998 is a wasteful number, since it uses less digits than its factorization.

99032017998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39528.

The product of its (nonzero) digits is 2204496, while the sum is 57.

It can be divided in two parts, 9903201 and 7998, that added together give a palindrome (9911199).

The spelling of 99032017998 in words is "ninety-nine billion, thirty-two million, seventeen thousand, nine hundred ninety-eight".