816973333 has 8 divisors (see below), whose sum is σ = 897750720. Its totient is φ = 737280480.

The previous prime is 816973331. The next prime is 816973373. The reversal of 816973333 is 333379618.

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 816973333 - 2¹ = 816973331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 816973333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816973331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269553 + ... + 272566.

It is an arithmetic number, because the mean of its divisors is an integer number (112218840).

Almost surely, 2^816973333 is an apocalyptic number.

It is an amenable number.

816973333 is a deficient number, since it is larger than the sum of its proper divisors (80777387).

816973333 is a wasteful number, since it uses less digits than its factorization.

816973333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542267.

The product of its digits is 244944, while the sum is 43.

The square root of 816973333 is about 28582.7453719897. The cubic root of 816973333 is about 934.8371447513.

The spelling of 816973333 in words is "eight hundred sixteen million, nine hundred seventy-three thousand, three hundred thirty-three".