59999999866889 has 2 divisors, whose sum is σ = 59999999866890. Its totient is φ = 59999999866888.

The previous prime is 59999999866843. The next prime is 59999999866897. The reversal of 59999999866889 is 98866899999995.

It is a happy number.

59999999866889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43162863324025 + 16837136542864 = 6569845^2 + 4103308^2 .

It is a cyclic number.

It is not a de Polignac number, because 59999999866889 - 2¹² = 59999999862793 is a prime.

It is not a weakly prime, because it can be changed into another prime (59999099866889) 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, 29999999933444 + 29999999933445.

It is an arithmetic number, because the mean of its divisors is an integer number (29999999933445).

Almost surely, 2^{59999999866889} is an apocalyptic number.

It is an amenable number.

59999999866889 is a deficient number, since it is larger than the sum of its proper divisors (1).

59999999866889 is an equidigital number, since it uses as much as digits as its factorization.

59999999866889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3967185807360, while the sum is 113.

The spelling of 59999999866889 in words is "fifty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, eight hundred sixty-six thousand, eight hundred eighty-nine".