99959583 has 8 divisors (see below), whose sum is σ = 133434928. Its totient is φ = 66561984.

The previous prime is 99959521. The next prime is 99959591. The reversal of 99959583 is 38595999.

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

It is not a de Polignac number, because 99959583 - 2⁹ = 99959071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99959383) 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, 16366 + ... + 21627.

It is an arithmetic number, because the mean of its divisors is an integer number (16679366).

Almost surely, 2^99959583 is an apocalyptic number.

99959583 is a deficient number, since it is larger than the sum of its proper divisors (33475345).

99959583 is a wasteful number, since it uses less digits than its factorization.

99959583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38873.

The product of its digits is 3936600, while the sum is 57.

The square root of 99959583 is about 9997.9789457670. The cubic root of 99959583 is about 464.0963419028.

The spelling of 99959583 in words is "ninety-nine million, nine hundred fifty-nine thousand, five hundred eighty-three".