89287473 has 32 divisors (see below), whose sum is σ = 133516800. Its totient is φ = 53056080.

The previous prime is 89287447. The next prime is 89287487. The reversal of 89287473 is 37478298.

It is not a de Polignac number, because 89287473 - 2¹⁷ = 89156401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89287073) 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 31 ways as a sum of consecutive naturals, for example, 235398 + ... + 235776.

It is an arithmetic number, because the mean of its divisors is an integer number (4172400).

Almost surely, 2^89287473 is an apocalyptic number.

It is an amenable number.

89287473 is a deficient number, since it is larger than the sum of its proper divisors (44229327).

89287473 is a wasteful number, since it uses less digits than its factorization.

89287473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 452 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 89287473 is about 9449.2048871850. The cubic root of 89287473 is about 446.9547021547.

The spelling of 89287473 in words is "eighty-nine million, two hundred eighty-seven thousand, four hundred seventy-three".