89356613 has 4 divisors (see below), whose sum is σ = 89414028. Its totient is φ = 89299200.

The previous prime is 89356609. The next prime is 89356637. The reversal of 89356613 is 31665398.

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 78180964 + 11175649 = 8842^2 + 3343^2 .

It is a cyclic number.

It is not a de Polignac number, because 89356613 - 2² = 89356609 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 (89356313) 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, 26306 + ... + 29507.

It is an arithmetic number, because the mean of its divisors is an integer number (22353507).

Almost surely, 2^89356613 is an apocalyptic number.

It is an amenable number.

89356613 is a deficient number, since it is larger than the sum of its proper divisors (57415).

89356613 is a wasteful number, since it uses less digits than its factorization.

89356613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57414.

The product of its digits is 116640, while the sum is 41.

The square root of 89356613 is about 9452.8626880961. The cubic root of 89356613 is about 447.0700392565.

The spelling of 89356613 in words is "eighty-nine million, three hundred fifty-six thousand, six hundred thirteen".