99218127 has 8 divisors (see below), whose sum is σ = 135866416. Its totient is φ = 64357632.

The previous prime is 99218111. The next prime is 99218131. The reversal of 99218127 is 72181299.

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

It is not a de Polignac number, because 99218127 - 2⁴ = 99218111 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 (99218167) 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, 446818 + ... + 447039.

It is an arithmetic number, because the mean of its divisors is an integer number (16983302).

Almost surely, 2^99218127 is an apocalyptic number.

99218127 is a deficient number, since it is larger than the sum of its proper divisors (36648289).

99218127 is a wasteful number, since it uses less digits than its factorization.

99218127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893897.

The product of its digits is 18144, while the sum is 39.

The square root of 99218127 is about 9960.8296341218. The cubic root of 99218127 is about 462.9460057980.

The spelling of 99218127 in words is "ninety-nine million, two hundred eighteen thousand, one hundred twenty-seven".