83308717 has 4 divisors (see below), whose sum is σ = 84244860. Its totient is φ = 82372576.

The previous prime is 83308703. The next prime is 83308723. The reversal of 83308717 is 71780338.

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 51566761 + 31741956 = 7181^2 + 5634^2 .

It is a cyclic number.

It is not a de Polignac number, because 83308717 - 2¹⁵ = 83275949 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 (83308727) 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, 467938 + ... + 468115.

It is an arithmetic number, because the mean of its divisors is an integer number (21061215).

Almost surely, 2^83308717 is an apocalyptic number.

It is an amenable number.

83308717 is a deficient number, since it is larger than the sum of its proper divisors (936143).

83308717 is an equidigital number, since it uses as much as digits as its factorization.

83308717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936142.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 83308717 is about 9127.3609000631. The cubic root of 83308717 is about 436.7472194368.

The spelling of 83308717 in words is "eighty-three million, three hundred eight thousand, seven hundred seventeen".