816667876 has 12 divisors (see below), whose sum is σ = 1446388272. Its totient is φ = 403414088.

The previous prime is 816667871. The next prime is 816667883. The reversal of 816667876 is 678766618.

816667876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (816667871) 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, 1229590 + ... + 1230253.

It is an arithmetic number, because the mean of its divisors is an integer number (120532356).

Almost surely, 2^816667876 is an apocalyptic number.

It is an amenable number.

816667876 is a deficient number, since it is larger than the sum of its proper divisors (629720396).

816667876 is a wasteful number, since it uses less digits than its factorization.

816667876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459930 (or 2459928 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The square root of 816667876 is about 28577.4014913883. The cubic root of 816667876 is about 934.7206219168.

The spelling of 816667876 in words is "eight hundred sixteen million, six hundred sixty-seven thousand, eight hundred seventy-six".