89117547 has 8 divisors (see below), whose sum is σ = 118867920. Its totient is φ = 59389440.

The previous prime is 89117527. The next prime is 89117599. The reversal of 89117547 is 74571198.

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

It is not a de Polignac number, because 89117547 - 2¹⁴ = 89101163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89117499 and 89117508.

It is not an unprimeable number, because it can be changed into a prime (89117527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9979 + ... + 16667.

It is an arithmetic number, because the mean of its divisors is an integer number (14858490).

Almost surely, 2^89117547 is an apocalyptic number.

89117547 is a deficient number, since it is larger than the sum of its proper divisors (29750373).

89117547 is a wasteful number, since it uses less digits than its factorization.

89117547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11133.

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

The square root of 89117547 is about 9440.2090548886. The cubic root of 89117547 is about 446.6709839067.

The spelling of 89117547 in words is "eighty-nine million, one hundred seventeen thousand, five hundred forty-seven".