99750817 has 4 divisors (see below), whose sum is σ = 105000880. Its totient is φ = 94500756.

The previous prime is 99750809. The next prime is 99750829. The reversal of 99750817 is 71805799.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 99750817 - 2³ = 99750809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99757817) by changing a digit.

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, 2625003 + ... + 2625040.

It is an arithmetic number, because the mean of its divisors is an integer number (26250220).

Almost surely, 2^99750817 is an apocalyptic number.

It is an amenable number.

99750817 is a deficient number, since it is larger than the sum of its proper divisors (5250063).

99750817 is a wasteful number, since it uses less digits than its factorization.

99750817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250062.

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 99750817 is about 9987.5330787938. The cubic root of 99750817 is about 463.7730276779.

The spelling of 99750817 in words is "ninety-nine million, seven hundred fifty thousand, eight hundred seventeen".