99876215 has 8 divisors (see below), whose sum is σ = 121816608. Its totient is φ = 78590880.

The previous prime is 99876211. The next prime is 99876223. The reversal of 99876215 is 51267899.

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

It is not a de Polignac number, because 99876215 - 2² = 99876211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99876215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99876211) 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, 163427 + ... + 164036.

It is an arithmetic number, because the mean of its divisors is an integer number (15227076).

Almost surely, 2^99876215 is an apocalyptic number.

99876215 is a deficient number, since it is larger than the sum of its proper divisors (21940393).

99876215 is a wasteful number, since it uses less digits than its factorization.

99876215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327529.

The product of its digits is 272160, while the sum is 47.

The square root of 99876215 is about 9993.8088334729. The cubic root of 99876215 is about 463.9672845914.

The spelling of 99876215 in words is "ninety-nine million, eight hundred seventy-six thousand, two hundred fifteen".