89258729 has 8 divisors (see below), whose sum is σ = 102075840. Its totient is φ = 76458096.

The previous prime is 89258671. The next prime is 89258753. The reversal of 89258729 is 92785298.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89258729 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89258759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11402 + ... + 17564.

It is an arithmetic number, because the mean of its divisors is an integer number (12759480).

Almost surely, 2^89258729 is an apocalyptic number.

It is an amenable number.

89258729 is a deficient number, since it is larger than the sum of its proper divisors (12817111).

89258729 is a wasteful number, since it uses less digits than its factorization.

89258729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8239.

The product of its digits is 725760, while the sum is 50.

The square root of 89258729 is about 9447.6837902208. The cubic root of 89258729 is about 446.9067348255.

The spelling of 89258729 in words is "eighty-nine million, two hundred fifty-eight thousand, seven hundred twenty-nine".