89075487 has 4 divisors (see below), whose sum is σ = 118767320. Its totient is φ = 59383656.

The previous prime is 89075471. The next prime is 89075491. The reversal of 89075487 is 78457098.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 89075487 - 2⁴ = 89075471 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 (89075407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14845912 + ... + 14845917.

It is an arithmetic number, because the mean of its divisors is an integer number (29691830).

Almost surely, 2^89075487 is an apocalyptic number.

89075487 is a deficient number, since it is larger than the sum of its proper divisors (29691833).

89075487 is a wasteful number, since it uses less digits than its factorization.

89075487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29691832.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 89075487 is about 9437.9810870758. The cubic root of 89075487 is about 446.6007024318.

The spelling of 89075487 in words is "eighty-nine million, seventy-five thousand, four hundred eighty-seven".