216914876 has 12 divisors (see below), whose sum is σ = 388429272. Its totient is φ = 105935088.

The previous prime is 216914861. The next prime is 216914879. The reversal of 216914876 is 678419612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216914879) 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 3 ways as a sum of consecutive naturals, for example, 630395 + ... + 630738.

It is an arithmetic number, because the mean of its divisors is an integer number (32369106).

Almost surely, 2^216914876 is an apocalyptic number.

It is an amenable number.

216914876 is a deficient number, since it is larger than the sum of its proper divisors (171514396).

216914876 is a wasteful number, since it uses less digits than its factorization.

216914876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261180 (or 1261178 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 216914876 is about 14728.0302824241. The cubic root of 216914876 is about 600.8459142288.

The spelling of 216914876 in words is "two hundred sixteen million, nine hundred fourteen thousand, eight hundred seventy-six".