89074592521 has 8 divisors (see below), whose sum is σ = 94364662824. Its totient is φ = 83790120960.

The previous prime is 89074592513. The next prime is 89074592539. The reversal of 89074592521 is 12529547098.

It can be written as a sum of positive squares in 4 ways, for example, as 5241760000 + 83832832521 = 72400^2 + 289539^2 .

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 89074592521 - 2³ = 89074592513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89074592501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366900 + ... + 1430581.

It is an arithmetic number, because the mean of its divisors is an integer number (11795582853).

Almost surely, 2^89074592521 is an apocalyptic number.

It is an amenable number.

89074592521 is a deficient number, since it is larger than the sum of its proper divisors (5290070303).

89074592521 is a wasteful number, since it uses less digits than its factorization.

89074592521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799371.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 89074592521 in words is "eighty-nine billion, seventy-four million, five hundred ninety-two thousand, five hundred twenty-one".