83190899 has 4 divisors (see below), whose sum is σ = 90753720. Its totient is φ = 75628080.

The previous prime is 83190889. The next prime is 83190907. The reversal of 83190899 is 99809138.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 83190899 - 2¹⁶ = 83125363 is a prime.

It is a super-3 number, since 3×83190899³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83190859) 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, 3781394 + ... + 3781415.

It is an arithmetic number, because the mean of its divisors is an integer number (22688430).

Almost surely, 2^83190899 is an apocalyptic number.

83190899 is a deficient number, since it is larger than the sum of its proper divisors (7562821).

83190899 is a wasteful number, since it uses less digits than its factorization.

83190899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562820.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 83190899 is about 9120.9045055850. The cubic root of 83190899 is about 436.5412347488.

The spelling of 83190899 in words is "eighty-three million, one hundred ninety thousand, eight hundred ninety-nine".