216380876 has 6 divisors (see below), whose sum is σ = 378666540. Its totient is φ = 108190436.

The previous prime is 216380839. The next prime is 216380887. The reversal of 216380876 is 678083612.

It is a happy number.

216380876 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27047606 + ... + 27047613.

It is an arithmetic number, because the mean of its divisors is an integer number (63111090).

Almost surely, 2^216380876 is an apocalyptic number.

It is an amenable number.

216380876 is a deficient number, since it is larger than the sum of its proper divisors (162285664).

216380876 is a wasteful number, since it uses less digits than its factorization.

216380876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54095223 (or 54095221 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 216380876 is about 14709.8904142757. The cubic root of 216380876 is about 600.3524558805.

The spelling of 216380876 in words is "two hundred sixteen million, three hundred eighty thousand, eight hundred seventy-six".