83173899 has 8 divisors (see below), whose sum is σ = 114476032. Its totient is φ = 53660520.

The previous prime is 83173859. The next prime is 83173913. The reversal of 83173899 is 99837138.

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

It is not a de Polignac number, because 83173899 - 2⁷ = 83173771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83173829) 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, 447079 + ... + 447264.

It is an arithmetic number, because the mean of its divisors is an integer number (14309504).

Almost surely, 2^83173899 is an apocalyptic number.

83173899 is a deficient number, since it is larger than the sum of its proper divisors (31302133).

83173899 is a wasteful number, since it uses less digits than its factorization.

83173899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894377.

The product of its digits is 326592, while the sum is 48.

The square root of 83173899 is about 9119.9725328534. The cubic root of 83173899 is about 436.5114970946.

The spelling of 83173899 in words is "eighty-three million, one hundred seventy-three thousand, eight hundred ninety-nine".