83269985 has 8 divisors (see below), whose sum is σ = 100094400. Its totient is φ = 66502384.

The previous prime is 83269981. The next prime is 83269987. The reversal of 83269985 is 58996238.

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 83269985 - 2² = 83269981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83269981) 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, 10907 + ... + 16896.

It is an arithmetic number, because the mean of its divisors is an integer number (12511800).

Almost surely, 2^83269985 is an apocalyptic number.

It is an amenable number.

83269985 is a deficient number, since it is larger than the sum of its proper divisors (16824415).

83269985 is a wasteful number, since it uses less digits than its factorization.

83269985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28407.

The product of its digits is 933120, while the sum is 50.

The square root of 83269985 is about 9125.2389009823. The cubic root of 83269985 is about 436.6795245778.

The spelling of 83269985 in words is "eighty-three million, two hundred sixty-nine thousand, nine hundred eighty-five".