89741509 has 16 divisors (see below), whose sum is σ = 106714944. Its totient is φ = 74390400.

The previous prime is 89741507. The next prime is 89741557. The reversal of 89741509 is 90514798.

It is a cyclic number.

It is not a de Polignac number, because 89741509 - 2¹ = 89741507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89741507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8089 + ... + 15649.

It is an arithmetic number, because the mean of its divisors is an integer number (6669684).

Almost surely, 2^89741509 is an apocalyptic number.

It is an amenable number.

89741509 is a deficient number, since it is larger than the sum of its proper divisors (16973435).

89741509 is a wasteful number, since it uses less digits than its factorization.

89741509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 89741509 is about 9473.1995123084. The cubic root of 89741509 is about 447.7110251772.

The spelling of 89741509 in words is "eighty-nine million, seven hundred forty-one thousand, five hundred nine".