99086643 has 6 divisors (see below), whose sum is σ = 143125164. Its totient is φ = 66057756.

The previous prime is 99086641. The next prime is 99086651. The reversal of 99086643 is 34668099.

It is not a de Polignac number, because 99086643 - 2¹ = 99086641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99086641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5504805 + ... + 5504822.

It is an arithmetic number, because the mean of its divisors is an integer number (23854194).

Almost surely, 2^99086643 is an apocalyptic number.

99086643 is a deficient number, since it is larger than the sum of its proper divisors (44038521).

99086643 is a wasteful number, since it uses less digits than its factorization.

99086643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11009633 (or 11009630 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 99086643 is about 9954.2273934244. The cubic root of 99086643 is about 462.7414165002.

The spelling of 99086643 in words is "ninety-nine million, eighty-six thousand, six hundred forty-three".