89797117 has 2 divisors, whose sum is σ = 89797118. Its totient is φ = 89797116.

The previous prime is 89797087. The next prime is 89797153. The reversal of 89797117 is 71179798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70207641 + 19589476 = 8379^2 + 4426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89797117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89797157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44898558 + 44898559.

It is an arithmetic number, because the mean of its divisors is an integer number (44898559).

Almost surely, 2^89797117 is an apocalyptic number.

It is an amenable number.

89797117 is a deficient number, since it is larger than the sum of its proper divisors (1).

89797117 is an equidigital number, since it uses as much as digits as its factorization.

89797117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264, while the sum is 49.

The square root of 89797117 is about 9476.1340746108. The cubic root of 89797117 is about 447.8034802533.

The spelling of 89797117 in words is "eighty-nine million, seven hundred ninety-seven thousand, one hundred seventeen".