89797693 has 2 divisors, whose sum is σ = 89797694. Its totient is φ = 89797692.

The previous prime is 89797679. The next prime is 89797699. The reversal of 89797693 is 39679798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72641529 + 17156164 = 8523^2 + 4142^2 .

It is a cyclic number.

It is not a de Polignac number, because 89797693 - 2⁵ = 89797661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89797699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44898846 + 44898847.

It is an arithmetic number, because the mean of its divisors is an integer number (44898847).

Almost surely, 2^89797693 is an apocalyptic number.

It is an amenable number.

89797693 is a deficient number, since it is larger than the sum of its proper divisors (1).

89797693 is an equidigital number, since it uses as much as digits as its factorization.

89797693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5143824, while the sum is 58.

The square root of 89797693 is about 9476.1644667028. The cubic root of 89797693 is about 447.8044377238.

The spelling of 89797693 in words is "eighty-nine million, seven hundred ninety-seven thousand, six hundred ninety-three".