99117673 has 4 divisors (see below), whose sum is σ = 99711360. Its totient is φ = 98523988.

The previous prime is 99117671. The next prime is 99117677. The reversal of 99117673 is 37671199.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37671199 = 3407 ⋅11057.

It is not a de Polignac number, because 99117673 - 2¹ = 99117671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99117671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296593 + ... + 296926.

It is an arithmetic number, because the mean of its divisors is an integer number (24927840).

Almost surely, 2^99117673 is an apocalyptic number.

It is an amenable number.

99117673 is a deficient number, since it is larger than the sum of its proper divisors (593687).

99117673 is a wasteful number, since it uses less digits than its factorization.

99117673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593686.

The product of its digits is 71442, while the sum is 43.

The square root of 99117673 is about 9955.7859056932. The cubic root of 99117673 is about 462.7897155346.

The spelling of 99117673 in words is "ninety-nine million, one hundred seventeen thousand, six hundred seventy-three".