89644570058671 has 2 divisors, whose sum is σ = 89644570058672. Its totient is φ = 89644570058670.

The previous prime is 89644570058657. The next prime is 89644570058677. The reversal of 89644570058671 is 17685007544698.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89644570058671 - 2¹⁵ = 89644570025903 is a prime.

It is a super-2 number, since 2×89644570058671² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89644570058671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89644570058677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44822285029335 + 44822285029336.

It is an arithmetic number, because the mean of its divisors is an integer number (44822285029336).

Almost surely, 2^{89644570058671} is an apocalyptic number.

89644570058671 is a deficient number, since it is larger than the sum of its proper divisors (1).

89644570058671 is an equidigital number, since it uses as much as digits as its factorization.

89644570058671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 406425600, while the sum is 70.

The spelling of 89644570058671 in words is "eighty-nine trillion, six hundred forty-four billion, five hundred seventy million, fifty-eight thousand, six hundred seventy-one".