99899113 has 8 divisors (see below), whose sum is σ = 104761800. Its totient is φ = 95131008.

The previous prime is 99899101. The next prime is 99899147. The reversal of 99899113 is 31199899.

99899113 = 7067² + 7068².

It can be written as a sum of positive squares in 4 ways, for example, as 49956624 + 49942489 = 7068^2 + 7067^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99899113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99899183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21478 + ... + 25711.

It is an arithmetic number, because the mean of its divisors is an integer number (13095225).

Almost surely, 2^99899113 is an apocalyptic number.

99899113 is the 7068-th centered square number.

It is an amenable number.

99899113 is a deficient number, since it is larger than the sum of its proper divisors (4862687).

99899113 is a wasteful number, since it uses less digits than its factorization.

99899113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47291.

The product of its digits is 157464, while the sum is 49.

The square root of 99899113 is about 9994.9543770845. The cubic root of 99899113 is about 464.0027388488.

The spelling of 99899113 in words is "ninety-nine million, eight hundred ninety-nine thousand, one hundred thirteen".