83799959 has 2 divisors, whose sum is σ = 83799960. Its totient is φ = 83799958.

The previous prime is 83799907. The next prime is 83799973. The reversal of 83799959 is 95999738.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83799959 - 2²⁴ = 67022743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83799898 and 83799907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83799059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41899979 + 41899980.

It is an arithmetic number, because the mean of its divisors is an integer number (41899980).

Almost surely, 2^83799959 is an apocalyptic number.

83799959 is a deficient number, since it is larger than the sum of its proper divisors (1).

83799959 is an equidigital number, since it uses as much as digits as its factorization.

83799959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5511240, while the sum is 59.

The square root of 83799959 is about 9154.2317536755. The cubic root of 83799959 is about 437.6039855139.

The spelling of 83799959 in words is "eighty-three million, seven hundred ninety-nine thousand, nine hundred fifty-nine".