99999874 has 8 divisors (see below), whose sum is σ = 161538300. Its totient is φ = 46153776.

The previous prime is 99999847. The next prime is 99999931. The reversal of 99999874 is 47899999.

It can be written as a sum of positive squares in 2 ways, for example, as 96884649 + 3115225 = 9843^2 + 1765^2 .

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

It is a nialpdrome in base 10.

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, 1923049 + ... + 1923100.

Almost surely, 2^99999874 is an apocalyptic number.

99999874 is a deficient number, since it is larger than the sum of its proper divisors (61538426).

99999874 is a wasteful number, since it uses less digits than its factorization.

99999874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846164.

The product of its digits is 13226976, while the sum is 64.

The square root of 99999874 is about 9999.9936999980. The cubic root of 99999874 is about 464.1586884145.

The spelling of 99999874 in words is "ninety-nine million, nine hundred ninety-nine thousand, eight hundred seventy-four".