99218713 has 8 divisors (see below), whose sum is σ = 109455840. Its totient is φ = 89184480.

The previous prime is 99218701. The next prime is 99218731. The reversal of 99218713 is 31781299.

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

It is not a de Polignac number, because 99218713 - 2²⁵ = 65664281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99215713) 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, 49695 + ... + 51652.

It is an arithmetic number, because the mean of its divisors is an integer number (13681980).

Almost surely, 2^99218713 is an apocalyptic number.

It is an amenable number.

99218713 is a deficient number, since it is larger than the sum of its proper divisors (10237127).

99218713 is a wasteful number, since it uses less digits than its factorization.

99218713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101447.

The product of its digits is 27216, while the sum is 40.

The square root of 99218713 is about 9960.8590492989. The cubic root of 99218713 is about 462.9469172101.

It can be divided in two parts, 99 and 218713, that added together give a palindrome (218812).

The spelling of 99218713 in words is "ninety-nine million, two hundred eighteen thousand, seven hundred thirteen".