89607470717 has 2 divisors, whose sum is σ = 89607470718. Its totient is φ = 89607470716.

The previous prime is 89607470599. The next prime is 89607470731. The reversal of 89607470717 is 71707470698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89517049636 + 90421081 = 299194^2 + 9509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89607470717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89607470317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44803735358 + 44803735359.

It is an arithmetic number, because the mean of its divisors is an integer number (44803735359).

Almost surely, 2^89607470717 is an apocalyptic number.

It is an amenable number.

89607470717 is a deficient number, since it is larger than the sum of its proper divisors (1).

89607470717 is an equidigital number, since it uses as much as digits as its factorization.

89607470717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4148928, while the sum is 56.

The spelling of 89607470717 in words is "eighty-nine billion, six hundred seven million, four hundred seventy thousand, seven hundred seventeen".