89469783217 has 2 divisors, whose sum is σ = 89469783218. Its totient is φ = 89469783216.

The previous prime is 89469783211. The next prime is 89469783229. The reversal of 89469783217 is 71238796498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74206663281 + 15263119936 = 272409^2 + 123544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89469783217 is a prime.

It is not a weakly prime, because it can be changed into another prime (89469783211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44734891608 + 44734891609.

It is an arithmetic number, because the mean of its divisors is an integer number (44734891609).

Almost surely, 2^89469783217 is an apocalyptic number.

It is an amenable number.

89469783217 is a deficient number, since it is larger than the sum of its proper divisors (1).

89469783217 is an equidigital number, since it uses as much as digits as its factorization.

89469783217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36578304, while the sum is 64.

The spelling of 89469783217 in words is "eighty-nine billion, four hundred sixty-nine million, seven hundred eighty-three thousand, two hundred seventeen".