816880683 has 8 divisors (see below), whose sum is σ = 1105430848. Its totient is φ = 536458824.

The previous prime is 816880663. The next prime is 816880739. The reversal of 816880683 is 386088618.

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 816880683 - 2⁹ = 816880171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (816880663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2031841 + ... + 2032242.

It is an arithmetic number, because the mean of its divisors is an integer number (138178856).

Almost surely, 2^816880683 is an apocalyptic number.

816880683 is a deficient number, since it is larger than the sum of its proper divisors (288550165).

816880683 is a wasteful number, since it uses less digits than its factorization.

816880683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064153.

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 816880683 is about 28581.1245929897. The cubic root of 816880683 is about 934.8018045787.

The spelling of 816880683 in words is "eight hundred sixteen million, eight hundred eighty thousand, six hundred eighty-three".