89197065 has 16 divisors (see below), whose sum is σ = 158572800. Its totient is φ = 47571696.

The previous prime is 89197063. The next prime is 89197081. The reversal of 89197065 is 56079198.

It is not a de Polignac number, because 89197065 - 2¹ = 89197063 is a prime.

It is a super-2 number, since 2×89197065² = 15912232809228450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 89197065.

It is not an unprimeable number, because it can be changed into a prime (89197061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330225 + ... + 330494.

It is an arithmetic number, because the mean of its divisors is an integer number (9910800).

Almost surely, 2^89197065 is an apocalyptic number.

It is an amenable number.

89197065 is a deficient number, since it is larger than the sum of its proper divisors (69375735).

89197065 is a wasteful number, since it uses less digits than its factorization.

89197065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660733 (or 660727 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 89197065 is about 9444.4197810135. The cubic root of 89197065 is about 446.8037966003.

The spelling of 89197065 in words is "eighty-nine million, one hundred ninety-seven thousand, sixty-five".