89277555521 has 24 divisors (see below), whose sum is σ = 119959115616. Its totient is φ = 65474747520.

The previous prime is 89277555491. The next prime is 89277555539. The reversal of 89277555521 is 12555577298.

It is not a de Polignac number, because 89277555521 - 2²⁶ = 89210446657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89277555541) 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 23 ways as a sum of consecutive naturals, for example, 4862471 + ... + 4880796.

It is an arithmetic number, because the mean of its divisors is an integer number (4998296484).

Almost surely, 2^89277555521 is an apocalyptic number.

It is an amenable number.

89277555521 is a deficient number, since it is larger than the sum of its proper divisors (30681560095).

89277555521 is a wasteful number, since it uses less digits than its factorization.

89277555521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743309 (or 9743302 counting only the distinct ones).

The product of its digits is 8820000, while the sum is 56.

The spelling of 89277555521 in words is "eighty-nine billion, two hundred seventy-seven million, five hundred fifty-five thousand, five hundred twenty-one".