228908603287 has 32 divisors (see below), whose sum is σ = 296730749952. Its totient is φ = 171620722944.

The previous prime is 228908603281. The next prime is 228908603293. The reversal of 228908603287 is 782306809822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (228908603281) and next prime (228908603293).

It is a cyclic number.

It is not a de Polignac number, because 228908603287 - 2³ = 228908603279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228908603281) 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 in 31 ways as a sum of consecutive naturals, for example, 287118 + ... + 735019.

It is an arithmetic number, because the mean of its divisors is an integer number (9272835936).

Almost surely, 2^228908603287 is an apocalyptic number.

228908603287 is a deficient number, since it is larger than the sum of its proper divisors (67822146665).

228908603287 is a wasteful number, since it uses less digits than its factorization.

228908603287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022287.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 228908603287 in words is "two hundred twenty-eight billion, nine hundred eight million, six hundred three thousand, two hundred eighty-seven".