83299963 has 4 divisors (see below), whose sum is σ = 83645848. Its totient is φ = 82954080.

The previous prime is 83299943. The next prime is 83299981. The reversal of 83299963 is 36999238.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36999238 = 2 ⋅18499619.

It is a cyclic number.

It is not a de Polignac number, because 83299963 - 2⁹ = 83299451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83299903) 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 3 ways as a sum of consecutive naturals, for example, 172581 + ... + 173062.

It is an arithmetic number, because the mean of its divisors is an integer number (20911462).

Almost surely, 2^83299963 is an apocalyptic number.

83299963 is a deficient number, since it is larger than the sum of its proper divisors (345885).

83299963 is a wasteful number, since it uses less digits than its factorization.

83299963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345884.

The product of its digits is 629856, while the sum is 49.

The square root of 83299963 is about 9126.8813403046. The cubic root of 83299963 is about 436.7319212414.

The spelling of 83299963 in words is "eighty-three million, two hundred ninety-nine thousand, nine hundred sixty-three".