83500085 has 8 divisors (see below), whose sum is σ = 100676256. Its totient is φ = 66482640.

The previous prime is 83500063. The next prime is 83500091. The reversal of 83500085 is 58000538.

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

It is a de Polignac number, because none of the positive numbers 2^k-83500085 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 38519 + ... + 40628.

It is an arithmetic number, because the mean of its divisors is an integer number (12584532).

Almost surely, 2^83500085 is an apocalyptic number.

It is an amenable number.

83500085 is a deficient number, since it is larger than the sum of its proper divisors (17176171).

83500085 is a wasteful number, since it uses less digits than its factorization.

83500085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79363.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 83500085 is about 9137.8380922404. The cubic root of 83500085 is about 437.0813802538.

The spelling of 83500085 in words is "eighty-three million, five hundred thousand, eighty-five".