216879792 has 40 divisors (see below), whose sum is σ = 575420016. Its totient is φ = 70338816.

The previous prime is 216879779. The next prime is 216879797. The reversal of 216879792 is 297978612.

216879792 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 (216879797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59283 + ... + 62834.

Almost surely, 2^216879792 is an apocalyptic number.

It is an amenable number.

216879792 is an abundant number, since it is smaller than the sum of its proper divisors (358540224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216879792 is a wasteful number, since it uses less digits than its factorization.

216879792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122165 (or 122159 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 216879792 is about 14726.8391720695. The cubic root of 216879792 is about 600.8135187026.

The spelling of 216879792 in words is "two hundred sixteen million, eight hundred seventy-nine thousand, seven hundred ninety-two".