99503899 has 4 divisors (see below), whose sum is σ = 108549720. Its totient is φ = 90458080.

The previous prime is 99503867. The next prime is 99503903. The reversal of 99503899 is 99830599.

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

It is a cyclic number.

It is not a de Polignac number, because 99503899 - 2⁵ = 99503867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99503809) by changing a digit.

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, 4522894 + ... + 4522915.

It is an arithmetic number, because the mean of its divisors is an integer number (27137430).

Almost surely, 2^99503899 is an apocalyptic number.

99503899 is a deficient number, since it is larger than the sum of its proper divisors (9045821).

99503899 is a wasteful number, since it uses less digits than its factorization.

99503899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045820.

The product of its (nonzero) digits is 787320, while the sum is 52.

The square root of 99503899 is about 9975.1641089257. The cubic root of 99503899 is about 463.3900449304.

The spelling of 99503899 in words is "ninety-nine million, five hundred three thousand, eight hundred ninety-nine".