83065709 has 8 divisors (see below), whose sum is σ = 86200320. Its totient is φ = 79959600.

The previous prime is 83065699. The next prime is 83065721. The reversal of 83065709 is 90756038.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83065709 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 (83065789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094 + ... + 12935.

It is an arithmetic number, because the mean of its divisors is an integer number (10775040).

Almost surely, 2^83065709 is an apocalyptic number.

It is an amenable number.

83065709 is a deficient number, since it is larger than the sum of its proper divisors (3134611).

83065709 is a wasteful number, since it uses less digits than its factorization.

83065709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14251.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 83065709 is about 9114.0391155623. The cubic root of 83065709 is about 436.3221481481.

The spelling of 83065709 in words is "eighty-three million, sixty-five thousand, seven hundred nine".