228875887 has 2 divisors, whose sum is σ = 228875888. Its totient is φ = 228875886.

The previous prime is 228875861. The next prime is 228875893. The reversal of 228875887 is 788578822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228875887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228875807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114437943 + 114437944.

It is an arithmetic number, because the mean of its divisors is an integer number (114437944).

Almost surely, 2^228875887 is an apocalyptic number.

228875887 is a deficient number, since it is larger than the sum of its proper divisors (1).

228875887 is an equidigital number, since it uses as much as digits as its factorization.

228875887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4014080, while the sum is 55.

The square root of 228875887 is about 15128.6445856858. The cubic root of 228875887 is about 611.6927692765.

The spelling of 228875887 in words is "two hundred twenty-eight million, eight hundred seventy-five thousand, eight hundred eighty-seven".