83999743 has 2 divisors, whose sum is σ = 83999744. Its totient is φ = 83999742.

The previous prime is 83999723. The next prime is 83999767. The reversal of 83999743 is 34799938.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83999743 - 2⁵ = 83999711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83999723) 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 as a sum of consecutive naturals, namely, 41999871 + 41999872.

It is an arithmetic number, because the mean of its divisors is an integer number (41999872).

Almost surely, 2^83999743 is an apocalyptic number.

83999743 is a deficient number, since it is larger than the sum of its proper divisors (1).

83999743 is an equidigital number, since it uses as much as digits as its factorization.

83999743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 52.

The square root of 83999743 is about 9165.1373694015. The cubic root of 83999743 is about 437.9514673469.

The spelling of 83999743 in words is "eighty-three million, nine hundred ninety-nine thousand, seven hundred forty-three".