83299943 has 2 divisors, whose sum is σ = 83299944. Its totient is φ = 83299942.

The previous prime is 83299927. The next prime is 83299981. The reversal of 83299943 is 34999238.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83299943 - 2⁴ = 83299927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83299903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41649971 + 41649972.

It is an arithmetic number, because the mean of its divisors is an integer number (41649972).

Almost surely, 2^83299943 is an apocalyptic number.

83299943 is a deficient number, since it is larger than the sum of its proper divisors (1).

83299943 is an equidigital number, since it uses as much as digits as its factorization.

83299943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 47.

The square root of 83299943 is about 9126.8802446400. The cubic root of 83299943 is about 436.7318862889.

The spelling of 83299943 in words is "eighty-three million, two hundred ninety-nine thousand, nine hundred forty-three".