99199015 has 4 divisors (see below), whose sum is σ = 119038824. Its totient is φ = 79359208.

The previous prime is 99199013. The next prime is 99199031. The reversal of 99199015 is 51099199.

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

It is a cyclic number.

It is not a de Polignac number, because 99199015 - 2¹ = 99199013 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 (99199013) 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, 9919897 + ... + 9919906.

It is an arithmetic number, because the mean of its divisors is an integer number (29759706).

Almost surely, 2^99199015 is an apocalyptic number.

99199015 is a deficient number, since it is larger than the sum of its proper divisors (19839809).

99199015 is a wasteful number, since it uses less digits than its factorization.

99199015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19839808.

The product of its (nonzero) digits is 32805, while the sum is 43.

The square root of 99199015 is about 9959.8702300783. The cubic root of 99199015 is about 462.9162787293.

The spelling of 99199015 in words is "ninety-nine million, one hundred ninety-nine thousand, fifteen".