89639285111 has 2 divisors, whose sum is σ = 89639285112. Its totient is φ = 89639285110.

The previous prime is 89639285069. The next prime is 89639285137. The reversal of 89639285111 is 11158293698.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89639285111 - 2²⁶ = 89572176247 is a prime.

It is a super-2 number, since 2×89639285111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89639285191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44819642555 + 44819642556.

It is an arithmetic number, because the mean of its divisors is an integer number (44819642556).

Almost surely, 2^89639285111 is an apocalyptic number.

89639285111 is a deficient number, since it is larger than the sum of its proper divisors (1).

89639285111 is an equidigital number, since it uses as much as digits as its factorization.

89639285111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 53.

The spelling of 89639285111 in words is "eighty-nine billion, six hundred thirty-nine million, two hundred eighty-five thousand, one hundred eleven".