816712882 has 4 divisors (see below), whose sum is σ = 1225069326. Its totient is φ = 408356440.

The previous prime is 816712873. The next prime is 816712903. The reversal of 816712882 is 288217618.

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

It can be written as a sum of positive squares in only one way, i.e., 711875761 + 104837121 = 26681^2 + 10239^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 204178219 + ... + 204178222.

Almost surely, 2^816712882 is an apocalyptic number.

816712882 is a deficient number, since it is larger than the sum of its proper divisors (408356444).

816712882 is a wasteful number, since it uses less digits than its factorization.

816712882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408356443.

The product of its digits is 86016, while the sum is 43.

The square root of 816712882 is about 28578.1889209236. The cubic root of 816712882 is about 934.7377922030.

The spelling of 816712882 in words is "eight hundred sixteen million, seven hundred twelve thousand, eight hundred eighty-two".