816028823 has 4 divisors (see below), whose sum is σ = 829859880. Its totient is φ = 802197768.

The previous prime is 816028819. The next prime is 816028847. The reversal of 816028823 is 328820618.

816028823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 816028823 - 2² = 816028819 is a prime.

It is a super-3 number, since 3×816028823³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816028813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6915440 + ... + 6915557.

It is an arithmetic number, because the mean of its divisors is an integer number (207464970).

Almost surely, 2^816028823 is an apocalyptic number.

816028823 is a deficient number, since it is larger than the sum of its proper divisors (13831057).

816028823 is a wasteful number, since it uses less digits than its factorization.

816028823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13831056.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 816028823 is about 28566.2182131272. The cubic root of 816028823 is about 934.4767480359.

The spelling of 816028823 in words is "eight hundred sixteen million, twenty-eight thousand, eight hundred twenty-three".