89517387 has 4 divisors (see below), whose sum is σ = 119356520. Its totient is φ = 59678256.

The previous prime is 89517361. The next prime is 89517397. The reversal of 89517387 is 78371598.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 89517387 - 2¹⁰ = 89516363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89517397) 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, 14919562 + ... + 14919567.

It is an arithmetic number, because the mean of its divisors is an integer number (29839130).

Almost surely, 2^89517387 is an apocalyptic number.

89517387 is a deficient number, since it is larger than the sum of its proper divisors (29839133).

89517387 is a wasteful number, since it uses less digits than its factorization.

89517387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29839132.

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

The square root of 89517387 is about 9461.3628510907. The cubic root of 89517387 is about 447.3380073862.

The spelling of 89517387 in words is "eighty-nine million, five hundred seventeen thousand, three hundred eighty-seven".