89471517 has 8 divisors (see below), whose sum is σ = 119388096. Its totient is φ = 59601312.

The previous prime is 89471507. The next prime is 89471533. The reversal of 89471517 is 71517498.

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

It is not a de Polignac number, because 89471517 - 2⁶ = 89471453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89471507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6808 + ... + 15009.

It is an arithmetic number, because the mean of its divisors is an integer number (14923512).

Almost surely, 2^89471517 is an apocalyptic number.

It is an amenable number.

89471517 is a deficient number, since it is larger than the sum of its proper divisors (29916579).

89471517 is a wasteful number, since it uses less digits than its factorization.

89471517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23187.

The product of its digits is 70560, while the sum is 42.

The square root of 89471517 is about 9458.9384710971. The cubic root of 89471517 is about 447.2615868497.

The spelling of 89471517 in words is "eighty-nine million, four hundred seventy-one thousand, five hundred seventeen".