89344185851 has 2 divisors, whose sum is σ = 89344185852. Its totient is φ = 89344185850.

The previous prime is 89344185839. The next prime is 89344185877. The reversal of 89344185851 is 15858144398.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89344185851 - 2⁶ = 89344185787 is a prime.

It is not a weakly prime, because it can be changed into another prime (89344185881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44672092925 + 44672092926.

It is an arithmetic number, because the mean of its divisors is an integer number (44672092926).

Almost surely, 2^89344185851 is an apocalyptic number.

89344185851 is a deficient number, since it is larger than the sum of its proper divisors (1).

89344185851 is an equidigital number, since it uses as much as digits as its factorization.

89344185851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5529600, while the sum is 56.

The spelling of 89344185851 in words is "eighty-nine billion, three hundred forty-four million, one hundred eighty-five thousand, eight hundred fifty-one".