89286238121 has 4 divisors (see below), whose sum is σ = 89289818052. Its totient is φ = 89282658192.

The previous prime is 89286238103. The next prime is 89286238141. The reversal of 89286238121 is 12183268298.

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 72932943721 + 16353294400 = 270061^2 + 127880^2 .

It is a cyclic number.

It is not a de Polignac number, because 89286238121 - 2²² = 89282043817 is a prime.

It is a super-2 number, since 2×89286238121² (a number of 23 digits) contains 22 as substring.

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 89286238121.

It is not an unprimeable number, because it can be changed into a prime (89286238141) 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, 1752290 + ... + 1802523.

It is an arithmetic number, because the mean of its divisors is an integer number (22322454513).

Almost surely, 2^89286238121 is an apocalyptic number.

It is an amenable number.

89286238121 is a deficient number, since it is larger than the sum of its proper divisors (3579931).

89286238121 is a wasteful number, since it uses less digits than its factorization.

89286238121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579930.

The product of its digits is 663552, while the sum is 50.

The spelling of 89286238121 in words is "eighty-nine billion, two hundred eighty-six million, two hundred thirty-eight thousand, one hundred twenty-one".