89529217 has 4 divisors (see below), whose sum is σ = 90078640. Its totient is φ = 88979796.

The previous prime is 89529203. The next prime is 89529227. The reversal of 89529217 is 71292598.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89529217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89529227) 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, 274467 + ... + 274792.

It is an arithmetic number, because the mean of its divisors is an integer number (22519660).

Almost surely, 2^89529217 is an apocalyptic number.

It is an amenable number.

89529217 is a deficient number, since it is larger than the sum of its proper divisors (549423).

89529217 is a wasteful number, since it uses less digits than its factorization.

89529217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549422.

The product of its digits is 90720, while the sum is 43.

The square root of 89529217 is about 9461.9880046426. The cubic root of 89529217 is about 447.3577122193.

The spelling of 89529217 in words is "eighty-nine million, five hundred twenty-nine thousand, two hundred seventeen".