99673863 has 8 divisors (see below), whose sum is σ = 133154688. Its totient is φ = 66321144.

The previous prime is 99673843. The next prime is 99673877. The reversal of 99673863 is 36837699.

It is a happy number.

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

It is not a de Polignac number, because 99673863 - 2⁵ = 99673831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99673813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30195 + ... + 33332.

It is an arithmetic number, because the mean of its divisors is an integer number (16644336).

Almost surely, 2^99673863 is an apocalyptic number.

99673863 is a deficient number, since it is larger than the sum of its proper divisors (33480825).

99673863 is a wasteful number, since it uses less digits than its factorization.

99673863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64053.

The product of its digits is 1469664, while the sum is 51.

The square root of 99673863 is about 9983.6798326068. The cubic root of 99673863 is about 463.6537358525.

The spelling of 99673863 in words is "ninety-nine million, six hundred seventy-three thousand, eight hundred sixty-three".