225877687 has 32 divisors (see below), whose sum is σ = 280756224. Its totient is φ = 177487200.

The previous prime is 225877649. The next prime is 225877699. The reversal of 225877687 is 786778522.

It is a cyclic number.

It is not a de Polignac number, because 225877687 - 2⁷ = 225877559 is a prime.

It is a super-3 number, since 3×225877687³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225877387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 833362 + ... + 833632.

It is an arithmetic number, because the mean of its divisors is an integer number (8773632).

Almost surely, 2^225877687 is an apocalyptic number.

225877687 is a deficient number, since it is larger than the sum of its proper divisors (54878537).

225877687 is a wasteful number, since it uses less digits than its factorization.

225877687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its digits is 2634240, while the sum is 52.

The square root of 225877687 is about 15029.2277579389. The cubic root of 225877687 is about 609.0100282087.

The spelling of 225877687 in words is "two hundred twenty-five million, eight hundred seventy-seven thousand, six hundred eighty-seven".