89471547 has 20 divisors (see below), whose sum is σ = 145806936. Its totient is φ = 54224640.

The previous prime is 89471537. The next prime is 89471563. The reversal of 89471547 is 74517498.

It is a happy number.

It is not a de Polignac number, because 89471547 - 2¹⁰ = 89470523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89471507) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49318 + ... + 51099.

Almost surely, 2^89471547 is an apocalyptic number.

89471547 is a deficient number, since it is larger than the sum of its proper divisors (56335389).

89471547 is a wasteful number, since it uses less digits than its factorization.

89471547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100440 (or 100431 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 89471547 is about 9458.9400568986. The cubic root of 89471547 is about 447.2616368390.

The spelling of 89471547 in words is "eighty-nine million, four hundred seventy-one thousand, five hundred forty-seven".