83119717 has 4 divisors (see below), whose sum is σ = 83247660. Its totient is φ = 82991776.

The previous prime is 83119709. The next prime is 83119733. The reversal of 83119717 is 71791138.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14130081 + 68989636 = 3759^2 + 8306^2 .

It is a cyclic number.

It is not a de Polignac number, because 83119717 - 2³ = 83119709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83119747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62992 + ... + 64297.

It is an arithmetic number, because the mean of its divisors is an integer number (20811915).

Almost surely, 2^83119717 is an apocalyptic number.

It is an amenable number.

83119717 is a deficient number, since it is larger than the sum of its proper divisors (127943).

83119717 is a wasteful number, since it uses less digits than its factorization.

83119717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127942.

The product of its digits is 10584, while the sum is 37.

The square root of 83119717 is about 9117.0015355927. The cubic root of 83119717 is about 436.4166908964.

The spelling of 83119717 in words is "eighty-three million, one hundred nineteen thousand, seven hundred seventeen".