230866805887 has 2 divisors, whose sum is σ = 230866805888. Its totient is φ = 230866805886.

The previous prime is 230866805839. The next prime is 230866805909. The reversal of 230866805887 is 788508668032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230866805887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230866805387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115433402943 + 115433402944.

It is an arithmetic number, because the mean of its divisors is an integer number (115433402944).

Almost surely, 2^230866805887 is an apocalyptic number.

230866805887 is a deficient number, since it is larger than the sum of its proper divisors (1).

230866805887 is an equidigital number, since it uses as much as digits as its factorization.

230866805887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 230866805887 in words is "two hundred thirty billion, eight hundred sixty-six million, eight hundred five thousand, eight hundred eighty-seven".