99679418 has 8 divisors (see below), whose sum is σ = 152996448. Its totient is φ = 48680604.

The previous prime is 99679403. The next prime is 99679423. The reversal of 99679418 is 81497699.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 99679418.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579446 + ... + 579617.

It is an arithmetic number, because the mean of its divisors is an integer number (19124556).

Almost surely, 2^99679418 is an apocalyptic number.

99679418 is a deficient number, since it is larger than the sum of its proper divisors (53317030).

99679418 is a wasteful number, since it uses less digits than its factorization.

99679418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159108.

The product of its digits is 979776, while the sum is 53.

The square root of 99679418 is about 9983.9580327644. The cubic root of 99679418 is about 463.6623491057.

The spelling of 99679418 in words is "ninety-nine million, six hundred seventy-nine thousand, four hundred eighteen".