83759993 has 2 divisors, whose sum is σ = 83759994. Its totient is φ = 83759992.

The previous prime is 83759957. The next prime is 83760013. The reversal of 83759993 is 39995738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77668969 + 6091024 = 8813^2 + 2468^2 .

It is a cyclic number.

It is not a de Polignac number, because 83759993 - 2¹² = 83755897 is a prime.

It is not a weakly prime, because it can be changed into another prime (83759933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41879996 + 41879997.

It is an arithmetic number, because the mean of its divisors is an integer number (41879997).

Almost surely, 2^83759993 is an apocalyptic number.

It is an amenable number.

83759993 is a deficient number, since it is larger than the sum of its proper divisors (1).

83759993 is an equidigital number, since it uses as much as digits as its factorization.

83759993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 53.

The square root of 83759993 is about 9152.0485684900. The cubic root of 83759993 is about 437.5344068723.

The spelling of 83759993 in words is "eighty-three million, seven hundred fifty-nine thousand, nine hundred ninety-three".