89917071 has 8 divisors (see below), whose sum is σ = 119938560. Its totient is φ = 59920152.

The previous prime is 89917031. The next prime is 89917099. The reversal of 89917071 is 17071998.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89917071 - 2⁶ = 89917007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89917021) 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 7 ways as a sum of consecutive naturals, for example, 5616 + ... + 14538.

It is an arithmetic number, because the mean of its divisors is an integer number (14992320).

Almost surely, 2^89917071 is an apocalyptic number.

89917071 is a deficient number, since it is larger than the sum of its proper divisors (30021489).

89917071 is a wasteful number, since it uses less digits than its factorization.

89917071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12285.

The product of its (nonzero) digits is 31752, while the sum is 42.

The square root of 89917071 is about 9482.4612311361. The cubic root of 89917071 is about 448.0027885004.

The spelling of 89917071 in words is "eighty-nine million, nine hundred seventeen thousand, seventy-one".