89387517 has 8 divisors (see below), whose sum is σ = 119259424. Its totient is φ = 59553648.

The previous prime is 89387491. The next prime is 89387563. The reversal of 89387517 is 71578398.

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

It is not a de Polignac number, because 89387517 - 2¹¹ = 89385469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89387567) 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, 3478 + ... + 13815.

It is an arithmetic number, because the mean of its divisors is an integer number (14907428).

Almost surely, 2^89387517 is an apocalyptic number.

It is an amenable number.

89387517 is a deficient number, since it is larger than the sum of its proper divisors (29871907).

89387517 is a wasteful number, since it uses less digits than its factorization.

89387517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19019.

The product of its digits is 423360, while the sum is 48.

The square root of 89387517 is about 9454.4971838803. The cubic root of 89387517 is about 447.1215730660.

It can be divided in two parts, 893 and 87517, that added together give a triangular number (88410 = T₄₂₀).

The spelling of 89387517 in words is "eighty-nine million, three hundred eighty-seven thousand, five hundred seventeen".