99899995 has 16 divisors (see below), whose sum is σ = 130042080. Its totient is φ = 73234944.

The previous prime is 99899981. The next prime is 99899999. The reversal of 99899995 is 59999899.

It is a cyclic number.

It is not a de Polignac number, because 99899995 - 2⁹ = 99899483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99899995.

It is not an unprimeable number, because it can be changed into a prime (99899999) 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, 3507 + ... + 14563.

It is an arithmetic number, because the mean of its divisors is an integer number (8127630).

Almost surely, 2^99899995 is an apocalyptic number.

99899995 is a deficient number, since it is larger than the sum of its proper divisors (30142085).

99899995 is a wasteful number, since it uses less digits than its factorization.

99899995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11214.

The product of its digits is 21257640, while the sum is 67.

The square root of 99899995 is about 9994.9984992495. The cubic root of 99899995 is about 464.0041043905.

The spelling of 99899995 in words is "ninety-nine million, eight hundred ninety-nine thousand, nine hundred ninety-five".