89188693 has 8 divisors (see below), whose sum is σ = 97502400. Its totient is φ = 80909280.

The previous prime is 89188691. The next prime is 89188703. The reversal of 89188693 is 39688198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89188693 - 2¹ = 89188691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89188693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89188691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2968 + ... + 13681.

It is an arithmetic number, because the mean of its divisors is an integer number (12187800).

Almost surely, 2^89188693 is an apocalyptic number.

It is an amenable number.

89188693 is a deficient number, since it is larger than the sum of its proper divisors (8313707).

89188693 is a wasteful number, since it uses less digits than its factorization.

89188693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17147.

The product of its digits is 746496, while the sum is 52.

The square root of 89188693 is about 9443.9765459260. The cubic root of 89188693 is about 446.7898172224.

The spelling of 89188693 in words is "eighty-nine million, one hundred eighty-eight thousand, six hundred ninety-three".