89217953 has 4 divisors (see below), whose sum is σ = 97328688. Its totient is φ = 81107220.

The previous prime is 89217923. The next prime is 89217979. The reversal of 89217953 is 35971298.

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 not a de Polignac number, because 89217953 - 2⁶ = 89217889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89217923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4055351 + ... + 4055372.

It is an arithmetic number, because the mean of its divisors is an integer number (24332172).

Almost surely, 2^89217953 is an apocalyptic number.

It is an amenable number.

89217953 is a deficient number, since it is larger than the sum of its proper divisors (8110735).

89217953 is a wasteful number, since it uses less digits than its factorization.

89217953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8110734.

The product of its digits is 136080, while the sum is 44.

The square root of 89217953 is about 9445.5255544623. The cubic root of 89217953 is about 446.8386711009.

The spelling of 89217953 in words is "eighty-nine million, two hundred seventeen thousand, nine hundred fifty-three".