83199479 has 16 divisors (see below), whose sum is σ = 96922656. Its totient is φ = 71167360.

The previous prime is 83199427. The next prime is 83199491. The reversal of 83199479 is 97499138.

It is not a de Polignac number, because 83199479 - 2⁸ = 83199223 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 (83199419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20789 + ... + 24465.

It is an arithmetic number, because the mean of its divisors is an integer number (6057666).

Almost surely, 2^83199479 is an apocalyptic number.

83199479 is a deficient number, since it is larger than the sum of its proper divisors (13723177).

83199479 is a wasteful number, since it uses less digits than its factorization.

83199479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727 (or 3705 counting only the distinct ones).

The product of its digits is 489888, while the sum is 50.

The square root of 83199479 is about 9121.3748415466. The cubic root of 83199479 is about 436.5562419794.

The spelling of 83199479 in words is "eighty-three million, one hundred ninety-nine thousand, four hundred seventy-nine".