89384117521 has 8 divisors (see below), whose sum is σ = 92520046080. Its totient is φ = 86251770192.

The previous prime is 89384117513. The next prime is 89384117533. The reversal of 89384117521 is 12571148398.

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 89384117521 - 2³ = 89384117513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89384115521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844465 + ... + 944398.

It is an arithmetic number, because the mean of its divisors is an integer number (11565005760).

Almost surely, 2^89384117521 is an apocalyptic number.

It is an amenable number.

89384117521 is a deficient number, since it is larger than the sum of its proper divisors (3135928559).

89384117521 is a wasteful number, since it uses less digits than its factorization.

89384117521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790615.

The product of its digits is 483840, while the sum is 49.

The spelling of 89384117521 in words is "eighty-nine billion, three hundred eighty-four million, one hundred seventeen thousand, five hundred twenty-one".