89040584331721 has 32 divisors (see below), whose sum is σ = 98751688358400. Its totient is φ = 79607087738880.

The previous prime is 89040584331667. The next prime is 89040584331739. The reversal of 89040584331721 is 12713348504098.

It is a cyclic number.

It is not a de Polignac number, because 89040584331721 - 2³⁵ = 89006224593353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89040584331761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1154039481 + ... + 1154116633.

It is an arithmetic number, because the mean of its divisors is an integer number (3085990261200).

Almost surely, 2^{89040584331721} is an apocalyptic number.

It is an amenable number.

89040584331721 is a deficient number, since it is larger than the sum of its proper divisors (9711104026679).

89040584331721 is a wasteful number, since it uses less digits than its factorization.

89040584331721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82449.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 89040584331721 in words is "eighty-nine trillion, forty billion, five hundred eighty-four million, three hundred thirty-one thousand, seven hundred twenty-one".