89121093 has 16 divisors (see below), whose sum is σ = 121305600. Its totient is φ = 58183280.

The previous prime is 89121091. The next prime is 89121127. The reversal of 89121093 is 39012198.

It is a cyclic number.

It is not a de Polignac number, because 89121093 - 2¹ = 89121091 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89121091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54238 + ... + 55856.

It is an arithmetic number, because the mean of its divisors is an integer number (7581600).

Almost surely, 2^89121093 is an apocalyptic number.

It is an amenable number.

89121093 is a deficient number, since it is larger than the sum of its proper divisors (32184507).

89121093 is a wasteful number, since it uses less digits than its factorization.

89121093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 89121093 is about 9440.3968666577. The cubic root of 89121093 is about 446.6769081957.

The spelling of 89121093 in words is "eighty-nine million, one hundred twenty-one thousand, ninety-three".