99879214 has 4 divisors (see below), whose sum is σ = 149818824. Its totient is φ = 49939606.

The previous prime is 99879211. The next prime is 99879217. The reversal of 99879214 is 41297899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41297899 = 827 ⋅49937.

It is an interprime number because it is at equal distance from previous prime (99879211) and next prime (99879217).

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99879211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24969802 + ... + 24969805.

It is an arithmetic number, because the mean of its divisors is an integer number (37454706).

Almost surely, 2^99879214 is an apocalyptic number.

99879214 is a deficient number, since it is larger than the sum of its proper divisors (49939610).

99879214 is a wasteful number, since it uses less digits than its factorization.

99879214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49939609.

The product of its digits is 326592, while the sum is 49.

The square root of 99879214 is about 9993.9588752406. The cubic root of 99879214 is about 463.9719284196.

The spelling of 99879214 in words is "ninety-nine million, eight hundred seventy-nine thousand, two hundred fourteen".