99999883 has 4 divisors (see below), whose sum is σ = 104347728. Its totient is φ = 95652040.

The previous prime is 99999847. The next prime is 99999931. The reversal of 99999883 is 38899999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99999883 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99994883) 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, 2173888 + ... + 2173933.

It is an arithmetic number, because the mean of its divisors is an integer number (26086932).

Almost surely, 2^99999883 is an apocalyptic number.

99999883 is a deficient number, since it is larger than the sum of its proper divisors (4347845).

99999883 is a wasteful number, since it uses less digits than its factorization.

99999883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347844.

The product of its digits is 11337408, while the sum is 64.

The square root of 99999883 is about 9999.9941499983. The cubic root of 99999883 is about 464.1587023392.

The spelling of 99999883 in words is "ninety-nine million, nine hundred ninety-nine thousand, eight hundred eighty-three".