99688874 has 4 divisors (see below), whose sum is σ = 149533314. Its totient is φ = 49844436.

The previous prime is 99688861. The next prime is 99688889. The reversal of 99688874 is 47888699.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75255625 + 24433249 = 8675^2 + 4943^2 .

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 as a sum of consecutive naturals, namely, 24922217 + ... + 24922220.

Almost surely, 2^99688874 is an apocalyptic number.

99688874 is a deficient number, since it is larger than the sum of its proper divisors (49844440).

99688874 is a wasteful number, since it uses less digits than its factorization.

99688874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49844439.

The product of its digits is 6967296, while the sum is 59.

The square root of 99688874 is about 9984.4315812168. The cubic root of 99688874 is about 463.6770102819.

The spelling of 99688874 in words is "ninety-nine million, six hundred eighty-eight thousand, eight hundred seventy-four".