89188557067 has 2 divisors, whose sum is σ = 89188557068. Its totient is φ = 89188557066.

The previous prime is 89188557047. The next prime is 89188557071. The reversal of 89188557067 is 76075588198.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89188557067 is a prime.

It is not a weakly prime, because it can be changed into another prime (89188557047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44594278533 + 44594278534.

It is an arithmetic number, because the mean of its divisors is an integer number (44594278534).

Almost surely, 2^89188557067 is an apocalyptic number.

89188557067 is a deficient number, since it is larger than the sum of its proper divisors (1).

89188557067 is an equidigital number, since it uses as much as digits as its factorization.

89188557067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33868800, while the sum is 64.

The spelling of 89188557067 in words is "eighty-nine billion, one hundred eighty-eight million, five hundred fifty-seven thousand, sixty-seven".