89356637 has 2 divisors, whose sum is σ = 89356638. Its totient is φ = 89356636.

The previous prime is 89356609. The next prime is 89356651. The reversal of 89356637 is 73665398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83649316 + 5707321 = 9146^2 + 2389^2 .

It is a cyclic number.

It is not a de Polignac number, because 89356637 - 2⁸ = 89356381 is a prime.

It is a super-3 number, since 3×89356637³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89356591 and 89356600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89356667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44678318 + 44678319.

It is an arithmetic number, because the mean of its divisors is an integer number (44678319).

Almost surely, 2^89356637 is an apocalyptic number.

It is an amenable number.

89356637 is a deficient number, since it is larger than the sum of its proper divisors (1).

89356637 is an equidigital number, since it uses as much as digits as its factorization.

89356637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 47.

The square root of 89356637 is about 9452.8639575528. The cubic root of 89356637 is about 447.0700792822.

The spelling of 89356637 in words is "eighty-nine million, three hundred fifty-six thousand, six hundred thirty-seven".