89008747 has 4 divisors (see below), whose sum is σ = 90135520. Its totient is φ = 87881976.

The previous prime is 89008723. The next prime is 89008813. The reversal of 89008747 is 74780098.

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

It is a cyclic number.

It is not a de Polignac number, because 89008747 - 2¹⁵ = 88975979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89008547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563268 + ... + 563425.

It is an arithmetic number, because the mean of its divisors is an integer number (22533880).

Almost surely, 2^89008747 is an apocalyptic number.

89008747 is a deficient number, since it is larger than the sum of its proper divisors (1126773).

89008747 is a wasteful number, since it uses less digits than its factorization.

89008747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126772.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 89008747 is about 9434.4447107395. Note that the first 3 decimals coincide. The cubic root of 89008747 is about 446.4891357180.

The spelling of 89008747 in words is "eighty-nine million, eight thousand, seven hundred forty-seven".