216127804 has 24 divisors (see below), whose sum is σ = 397491248. Its totient is φ = 102695040.

The previous prime is 216127789. The next prime is 216127811. The reversal of 216127804 is 408721612.

It is a super-2 number, since 2×216127804² = 93422455323724832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10617 + ... + 23344.

Almost surely, 2^216127804 is an apocalyptic number.

It is an amenable number.

216127804 is a deficient number, since it is larger than the sum of its proper divisors (181363444).

216127804 is a wasteful number, since it uses less digits than its factorization.

216127804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34045 (or 34043 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 216127804 is about 14701.2857941066. The cubic root of 216127804 is about 600.1183137053.

The spelling of 216127804 in words is "two hundred sixteen million, one hundred twenty-seven thousand, eight hundred four".