99751899 has 8 divisors (see below), whose sum is σ = 143233552. Its totient is φ = 61385760.

The previous prime is 99751879. The next prime is 99751901. The reversal of 99751899 is 99815799.

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

It is not a de Polignac number, because 99751899 - 2¹⁵ = 99719131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99751849) 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 7 ways as a sum of consecutive naturals, for example, 1278832 + ... + 1278909.

It is an arithmetic number, because the mean of its divisors is an integer number (17904194).

Almost surely, 2^99751899 is an apocalyptic number.

99751899 is a deficient number, since it is larger than the sum of its proper divisors (43481653).

99751899 is a wasteful number, since it uses less digits than its factorization.

99751899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557757.

The product of its digits is 1837080, while the sum is 57.

The square root of 99751899 is about 9987.5872461771. The cubic root of 99751899 is about 463.7747045250.

The spelling of 99751899 in words is "ninety-nine million, seven hundred fifty-one thousand, eight hundred ninety-nine".