83359509 has 8 divisors (see below), whose sum is σ = 111240000. Its totient is φ = 55526016.

The previous prime is 83359477. The next prime is 83359511. The reversal of 83359509 is 90595338.

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

It is not a de Polignac number, because 83359509 - 2⁵ = 83359477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83359579) 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, 7377 + ... + 14870.

It is an arithmetic number, because the mean of its divisors is an integer number (13905000).

Almost surely, 2^83359509 is an apocalyptic number.

It is an amenable number.

83359509 is a deficient number, since it is larger than the sum of its proper divisors (27880491).

83359509 is a wasteful number, since it uses less digits than its factorization.

83359509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23499.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 83359509 is about 9130.1428794954. The cubic root of 83359509 is about 436.8359606827.

The spelling of 83359509 in words is "eighty-three million, three hundred fifty-nine thousand, five hundred nine".