816838059 has 8 divisors (see below), whose sum is σ = 1089465232. Its totient is φ = 544384800.

The previous prime is 816838013. The next prime is 816838069. The reversal of 816838059 is 950838618.

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

It is not a de Polignac number, because 816838059 - 2¹⁵ = 816805291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 816837999 and 816838017.

It is not an unprimeable number, because it can be changed into a prime (816838069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32092 + ... + 51609.

It is an arithmetic number, because the mean of its divisors is an integer number (136183154).

Almost surely, 2^816838059 is an apocalyptic number.

816838059 is a deficient number, since it is larger than the sum of its proper divisors (272627173).

816838059 is a wasteful number, since it uses less digits than its factorization.

816838059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86957.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 816838059 is about 28580.3789163125. The cubic root of 816838059 is about 934.7855452946.

The spelling of 816838059 in words is "eight hundred sixteen million, eight hundred thirty-eight thousand, fifty-nine".