83356985 has 8 divisors (see below), whose sum is σ = 103255296. Its totient is φ = 64534320.

The previous prime is 83356981. The next prime is 83357023. The reversal of 83356985 is 58965338.

It is a happy number.

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

It is not a de Polignac number, because 83356985 - 2² = 83356981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83356981) 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, 268739 + ... + 269048.

It is an arithmetic number, because the mean of its divisors is an integer number (12906912).

Almost surely, 2^83356985 is an apocalyptic number.

It is an amenable number.

83356985 is a deficient number, since it is larger than the sum of its proper divisors (19898311).

83356985 is a wasteful number, since it uses less digits than its factorization.

83356985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537823.

The product of its digits is 777600, while the sum is 47.

The square root of 83356985 is about 9130.0046549824. The cubic root of 83356985 is about 436.8315517272.

The spelling of 83356985 in words is "eighty-three million, three hundred fifty-six thousand, nine hundred eighty-five".