99128333 has 8 divisors (see below), whose sum is σ = 100296768. Its totient is φ = 97964064.

The previous prime is 99128317. The next prime is 99128353. The reversal of 99128333 is 33382199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99128333 - 2⁴ = 99128317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99128353) 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, 87710 + ... + 88832.

It is an arithmetic number, because the mean of its divisors is an integer number (12537096).

Almost surely, 2^99128333 is an apocalyptic number.

It is an amenable number.

99128333 is a deficient number, since it is larger than the sum of its proper divisors (1168435).

99128333 is a wasteful number, since it uses less digits than its factorization.

99128333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083.

The product of its digits is 34992, while the sum is 38.

The square root of 99128333 is about 9956.3212583765. The cubic root of 99128333 is about 462.8063057866.

The spelling of 99128333 in words is "ninety-nine million, one hundred twenty-eight thousand, three hundred thirty-three".