99879146 has 8 divisors (see below), whose sum is σ = 149861124. Its totient is φ = 49925440.

The previous prime is 99879139. The next prime is 99879151. The reversal of 99879146 is 64197899.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98227921 + 1651225 = 9911^2 + 1285^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 10466 + ... + 17586.

Almost surely, 2^99879146 is an apocalyptic number.

99879146 is a deficient number, since it is larger than the sum of its proper divisors (49981978).

99879146 is a wasteful number, since it uses less digits than its factorization.

99879146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14136.

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

The square root of 99879146 is about 9993.9554731848. The cubic root of 99879146 is about 463.9718231255.

The spelling of 99879146 in words is "ninety-nine million, eight hundred seventy-nine thousand, one hundred forty-six".