89535971 has 4 divisors (see below), whose sum is σ = 102326832. Its totient is φ = 76745112.

The previous prime is 89535949. The next prime is 89535997. The reversal of 89535971 is 17953598.

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 89535971 - 2¹⁸ = 89273827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89535931) 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, 6395420 + ... + 6395433.

It is an arithmetic number, because the mean of its divisors is an integer number (25581708).

Almost surely, 2^89535971 is an apocalyptic number.

89535971 is a deficient number, since it is larger than the sum of its proper divisors (12790861).

89535971 is a wasteful number, since it uses less digits than its factorization.

89535971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12790860.

The product of its digits is 340200, while the sum is 47.

The square root of 89535971 is about 9462.3448996536. The cubic root of 89535971 is about 447.3689613516.

It can be divided in two parts, 8953597 and 1, that added together give a palindrome (8953598).

The spelling of 89535971 in words is "eighty-nine million, five hundred thirty-five thousand, nine hundred seventy-one".