83330785 has 8 divisors (see below), whose sum is σ = 100074240. Its totient is φ = 66613104.

The previous prime is 83330777. The next prime is 83330791. The reversal of 83330785 is 58703338.

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

It is a cyclic number.

It is not a de Polignac number, because 83330785 - 2³ = 83330777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1584 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (12509280).

Almost surely, 2^83330785 is an apocalyptic number.

It is an amenable number.

83330785 is a deficient number, since it is larger than the sum of its proper divisors (16743455).

83330785 is a wasteful number, since it uses less digits than its factorization.

83330785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12887.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 83330785 is about 9128.5697127206. The cubic root of 83330785 is about 436.7857799743.

The spelling of 83330785 in words is "eighty-three million, three hundred thirty thousand, seven hundred eighty-five".