823966085 has 8 divisors (see below), whose sum is σ = 989490816. Its totient is φ = 658685200.

The previous prime is 823966063. The next prime is 823966097. The reversal of 823966085 is 580669328.

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 823966085 - 2⁶ = 823966021 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, 53441 + ... + 67110.

It is an arithmetic number, because the mean of its divisors is an integer number (123686352).

Almost surely, 2^823966085 is an apocalyptic number.

It is an amenable number.

823966085 is a deficient number, since it is larger than the sum of its proper divisors (165524731).

823966085 is a wasteful number, since it uses less digits than its factorization.

823966085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121923.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 823966085 is about 28704.8094402314. The cubic root of 823966085 is about 937.4967670407.

The spelling of 823966085 in words is "eight hundred twenty-three million, nine hundred sixty-six thousand, eighty-five".