227978871 has 8 divisors (see below), whose sum is σ = 304944240. Its totient is φ = 151499712.

The previous prime is 227978833. The next prime is 227978879. The reversal of 227978871 is 178879722.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 227978871 - 2²³ = 219590263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227978879) 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, 120456 + ... + 122333.

It is an arithmetic number, because the mean of its divisors is an integer number (38118030).

Almost surely, 2^227978871 is an apocalyptic number.

227978871 is a deficient number, since it is larger than the sum of its proper divisors (76965369).

227978871 is a wasteful number, since it uses less digits than its factorization.

227978871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243105.

The product of its digits is 790272, while the sum is 51.

The square root of 227978871 is about 15098.9692032271. The cubic root of 227978871 is about 610.8926025762.

The spelling of 227978871 in words is "two hundred twenty-seven million, nine hundred seventy-eight thousand, eight hundred seventy-one".