99750818 has 8 divisors (see below), whose sum is σ = 150018048. Its totient is φ = 49744804.

The previous prime is 99750809. The next prime is 99750829. The reversal of 99750818 is 81805799.

It is a happy number.

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

It is a Curzon number.

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, 64346 + ... + 65877.

It is an arithmetic number, because the mean of its divisors is an integer number (18752256).

Almost surely, 2^99750818 is an apocalyptic number.

99750818 is a deficient number, since it is larger than the sum of its proper divisors (50267230).

99750818 is a wasteful number, since it uses less digits than its factorization.

99750818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130608.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 99750818 is about 9987.5331288562. The cubic root of 99750818 is about 463.7730292277.

It can be divided in two parts, 997 and 50818, that added together give a palindrome (51815).

The spelling of 99750818 in words is "ninety-nine million, seven hundred fifty thousand, eight hundred eighteen".