89695717 has 4 divisors (see below), whose sum is σ = 89832076. Its totient is φ = 89559360.

The previous prime is 89695709. The next prime is 89695747. The reversal of 89695717 is 71759698.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56160036 + 33535681 = 7494^2 + 5791^2 .

It is a cyclic number.

It is not a de Polignac number, because 89695717 - 2³ = 89695709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89695747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67188 + ... + 68509.

It is an arithmetic number, because the mean of its divisors is an integer number (22458019).

Almost surely, 2^89695717 is an apocalyptic number.

It is an amenable number.

89695717 is a deficient number, since it is larger than the sum of its proper divisors (136359).

89695717 is a wasteful number, since it uses less digits than its factorization.

89695717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136358.

The product of its digits is 952560, while the sum is 52.

The square root of 89695717 is about 9470.7822802554. The cubic root of 89695717 is about 447.6348617177.

The spelling of 89695717 in words is "eighty-nine million, six hundred ninety-five thousand, seven hundred seventeen".