99890011 has 16 divisors (see below), whose sum is σ = 119901600. Its totient is φ = 82211328.

The previous prime is 99890003. The next prime is 99890017. The reversal of 99890011 is 11009899.

It is not a de Polignac number, because 99890011 - 2³ = 99890003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99890017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7696 + ... + 16093.

It is an arithmetic number, because the mean of its divisors is an integer number (7493850).

Almost surely, 2^99890011 is an apocalyptic number.

99890011 is a deficient number, since it is larger than the sum of its proper divisors (20011589).

99890011 is a wasteful number, since it uses less digits than its factorization.

99890011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23838.

The product of its (nonzero) digits is 5832, while the sum is 37.

The square root of 99890011 is about 9994.4990369703. The cubic root of 99890011 is about 463.9886463606.

The spelling of 99890011 in words is "ninety-nine million, eight hundred ninety thousand, eleven".