89312477247727 has 2 divisors, whose sum is σ = 89312477247728. Its totient is φ = 89312477247726.

The previous prime is 89312477247629. The next prime is 89312477247797. The reversal of 89312477247727 is 72774277421398.

It is an a-pointer prime, because the next prime (89312477247797) can be obtained adding 89312477247727 to its sum of digits (70).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89312477247727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89312477247797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44656238623863 + 44656238623864.

It is an arithmetic number, because the mean of its divisors is an integer number (44656238623864).

Almost surely, 2^{89312477247727} is an apocalyptic number.

89312477247727 is a deficient number, since it is larger than the sum of its proper divisors (1).

89312477247727 is an equidigital number, since it uses as much as digits as its factorization.

89312477247727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 464679936, while the sum is 70.

The spelling of 89312477247727 in words is "eighty-nine trillion, three hundred twelve billion, four hundred seventy-seven million, two hundred forty-seven thousand, seven hundred twenty-seven".