89570971 has 12 divisors (see below), whose sum is σ = 104365632. Its totient is φ = 76649328.

The previous prime is 89570953. The next prime is 89570981. The reversal of 89570971 is 17907598.

It is not a de Polignac number, because 89570971 - 2¹³ = 89562779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89570981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40726 + ... + 42868.

It is an arithmetic number, because the mean of its divisors is an integer number (8697136).

Almost surely, 2^89570971 is an apocalyptic number.

89570971 is a deficient number, since it is larger than the sum of its proper divisors (14794661).

89570971 is a wasteful number, since it uses less digits than its factorization.

89570971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010 (or 3003 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 89570971 is about 9464.1941548132. The cubic root of 89570971 is about 447.4272465811.

The spelling of 89570971 in words is "eighty-nine million, five hundred seventy thousand, nine hundred seventy-one".