89572171 has 4 divisors (see below), whose sum is σ = 96462352. Its totient is φ = 82681992.

The previous prime is 89572169. The next prime is 89572193. The reversal of 89572171 is 17127598.

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 89572171 - 2¹ = 89572169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89572121) 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, 3445071 + ... + 3445096.

It is an arithmetic number, because the mean of its divisors is an integer number (24115588).

Almost surely, 2^89572171 is an apocalyptic number.

89572171 is a deficient number, since it is larger than the sum of its proper divisors (6890181).

89572171 is a wasteful number, since it uses less digits than its factorization.

89572171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890180.

The product of its digits is 35280, while the sum is 40.

The square root of 89572171 is about 9464.2575514406. The cubic root of 89572171 is about 447.4292446626.

The spelling of 89572171 in words is "eighty-nine million, five hundred seventy-two thousand, one hundred seventy-one".