89668847 has 8 divisors (see below), whose sum is σ = 95798400. Its totient is φ = 83680344.

The previous prime is 89668793. The next prime is 89668861. The reversal of 89668847 is 74886698.

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

It is a cyclic number.

It is not a de Polignac number, because 89668847 - 2²⁶ = 22559983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89668792 and 89668801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89667847) 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, 33947 + ... + 36492.

It is an arithmetic number, because the mean of its divisors is an integer number (11974800).

Almost surely, 2^89668847 is an apocalyptic number.

89668847 is a deficient number, since it is larger than the sum of its proper divisors (6129553).

89668847 is a wasteful number, since it uses less digits than its factorization.

89668847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70525.

The product of its digits is 4644864, while the sum is 56.

The square root of 89668847 is about 9469.3636005806. The cubic root of 89668847 is about 447.5901581711.

The spelling of 89668847 in words is "eighty-nine million, six hundred sixty-eight thousand, eight hundred forty-seven".