89131473 has 12 divisors (see below), whose sum is σ = 129071748. Its totient is φ = 59270400.

The previous prime is 89131433. The next prime is 89131481. The reversal of 89131473 is 37413198.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86545809 + 2585664 = 9303^2 + 1608^2 .

It is not a de Polignac number, because 89131473 - 2¹⁰ = 89130449 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (89131403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8740 + ... + 15957.

It is an arithmetic number, because the mean of its divisors is an integer number (10755979).

Almost surely, 2^89131473 is an apocalyptic number.

It is an amenable number.

89131473 is a deficient number, since it is larger than the sum of its proper divisors (39940275).

89131473 is a wasteful number, since it uses less digits than its factorization.

89131473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25104 (or 25101 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 89131473 is about 9440.9466156737. The cubic root of 89131473 is about 446.6942491197.

The spelling of 89131473 in words is "eighty-nine million, one hundred thirty-one thousand, four hundred seventy-three".