99500889 has 4 divisors (see below), whose sum is σ = 132667856. Its totient is φ = 66333924.

The previous prime is 99500887. The next prime is 99500903. The reversal of 99500889 is 98800599.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 99500889 - 2¹ = 99500887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99500887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16583479 + ... + 16583484.

It is an arithmetic number, because the mean of its divisors is an integer number (33166964).

Almost surely, 2^99500889 is an apocalyptic number.

It is an amenable number.

99500889 is a deficient number, since it is larger than the sum of its proper divisors (33166967).

99500889 is a wasteful number, since it uses less digits than its factorization.

99500889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33166966.

The product of its (nonzero) digits is 233280, while the sum is 48.

The square root of 99500889 is about 9975.0132330739. The cubic root of 99500889 is about 463.3853723561.

The spelling of 99500889 in words is "ninety-nine million, five hundred thousand, eight hundred eighty-nine".