89536118809 has 2 divisors, whose sum is σ = 89536118810. Its totient is φ = 89536118808.

The previous prime is 89536118753. The next prime is 89536118827. The reversal of 89536118809 is 90881163598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70541766409 + 18994352400 = 265597^2 + 137820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89536118809 is a prime.

It is not a weakly prime, because it can be changed into another prime (89536118839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44768059404 + 44768059405.

It is an arithmetic number, because the mean of its divisors is an integer number (44768059405).

Almost surely, 2^89536118809 is an apocalyptic number.

It is an amenable number.

89536118809 is a deficient number, since it is larger than the sum of its proper divisors (1).

89536118809 is an equidigital number, since it uses as much as digits as its factorization.

89536118809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 58.

The spelling of 89536118809 in words is "eighty-nine billion, five hundred thirty-six million, one hundred eighteen thousand, eight hundred nine".