216879003 has 24 divisors (see below), whose sum is σ = 342553536. Its totient is φ = 131132400.

The previous prime is 216878999. The next prime is 216879011. The reversal of 216879003 is 300978612.

It is not a de Polignac number, because 216879003 - 2² = 216878999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216879703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43888 + ... + 48578.

It is an arithmetic number, because the mean of its divisors is an integer number (14273064).

Almost surely, 2^216879003 is an apocalyptic number.

216879003 is a deficient number, since it is larger than the sum of its proper divisors (125674533).

216879003 is a wasteful number, since it uses less digits than its factorization.

216879003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175 (or 5172 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 216879003 is about 14726.8123842195. The cubic root of 216879003 is about 600.8127901232.

The spelling of 216879003 in words is "two hundred sixteen million, eight hundred seventy-nine thousand, three".