89071663 has 4 divisors (see below), whose sum is σ = 92944368. Its totient is φ = 85198960.

The previous prime is 89071657. The next prime is 89071669. The reversal of 89071663 is 36617098.

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

It is an interprime number because it is at equal distance from previous prime (89071657) and next prime (89071669).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89071663 is a prime.

It is a super-2 number, since 2×89071663² = 15867522299171138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89071669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936318 + ... + 1936363.

It is an arithmetic number, because the mean of its divisors is an integer number (23236092).

Almost surely, 2^89071663 is an apocalyptic number.

89071663 is a deficient number, since it is larger than the sum of its proper divisors (3872705).

89071663 is a wasteful number, since it uses less digits than its factorization.

89071663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872704.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 89071663 is about 9437.7784992020. The cubic root of 89071663 is about 446.5943115021.

The spelling of 89071663 in words is "eighty-nine million, seventy-one thousand, six hundred sixty-three".