89345487 has 16 divisors (see below), whose sum is σ = 148522752. Its totient is φ = 46413120.

The previous prime is 89345483. The next prime is 89345497. The reversal of 89345487 is 78454398.

It is not a de Polignac number, because 89345487 - 2² = 89345483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89345483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193158 + ... + 193619.

It is an arithmetic number, because the mean of its divisors is an integer number (9282672).

Almost surely, 2^89345487 is an apocalyptic number.

89345487 is a deficient number, since it is larger than the sum of its proper divisors (59177265).

89345487 is a wasteful number, since it uses less digits than its factorization.

89345487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386798.

The product of its digits is 967680, while the sum is 48.

The square root of 89345487 is about 9452.2741708014. The cubic root of 89345487 is about 447.0514832423.

The spelling of 89345487 in words is "eighty-nine million, three hundred forty-five thousand, four hundred eighty-seven".