816877083 has 16 divisors (see below), whose sum is σ = 1220299776. Its totient is φ = 481695840.

The previous prime is 816877067. The next prime is 816877091. The reversal of 816877083 is 380778618.

It is not a de Polignac number, because 816877083 - 2⁴ = 816877067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (816877003) 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 15 ways as a sum of consecutive naturals, for example, 333291 + ... + 335732.

It is an arithmetic number, because the mean of its divisors is an integer number (76268736).

Almost surely, 2^816877083 is an apocalyptic number.

816877083 is a deficient number, since it is larger than the sum of its proper divisors (403422693).

816877083 is a wasteful number, since it uses less digits than its factorization.

816877083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669074.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 816877083 is about 28581.0616142928. The cubic root of 816877083 is about 934.8004313502.

The spelling of 816877083 in words is "eight hundred sixteen million, eight hundred seventy-seven thousand, eighty-three".