89897689 has 8 divisors (see below), whose sum is σ = 102803328. Its totient is φ = 77007840.

The previous prime is 89897677. The next prime is 89897693. The reversal of 89897689 is 98679898.

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

It is not a de Polignac number, because 89897689 - 2⁵ = 89897657 is a prime.

It is a super-3 number, since 3×89897689³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89897689.

It is not an unprimeable number, because it can be changed into a prime (89897629) 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 7 ways as a sum of consecutive naturals, for example, 13284 + ... + 18874.

It is an arithmetic number, because the mean of its divisors is an integer number (12850416).

Almost surely, 2^89897689 is an apocalyptic number.

It is an amenable number.

89897689 is a deficient number, since it is larger than the sum of its proper divisors (12905639).

89897689 is a wasteful number, since it uses less digits than its factorization.

89897689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895.

The product of its digits is 15676416, while the sum is 64.

The square root of 89897689 is about 9481.4391840058. The cubic root of 89897689 is about 447.9705965635.

The spelling of 89897689 in words is "eighty-nine million, eight hundred ninety-seven thousand, six hundred eighty-nine".