89216559 has 10 divisors (see below), whose sum is σ = 133274240. Its totient is φ = 59477652.

The previous prime is 89216539. The next prime is 89216579. The reversal of 89216559 is 95561298.

89216559 is a `hidden beast` number, since 8 + 92 + 1 + 6 + 559 = 666.

It is an interprime number because it is at equal distance from previous prime (89216539) and next prime (89216579).

It is not a de Polignac number, because 89216559 - 2¹² = 89212463 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 (89216539) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 550639 + ... + 550800.

It is an arithmetic number, because the mean of its divisors is an integer number (13327424).

Almost surely, 2^89216559 is an apocalyptic number.

89216559 is a deficient number, since it is larger than the sum of its proper divisors (44057681).

89216559 is a wasteful number, since it uses less digits than its factorization.

89216559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101451 (or 1101442 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 89216559 is about 9445.4517626210. The cubic root of 89216559 is about 446.8363438549.

The spelling of 89216559 in words is "eighty-nine million, two hundred sixteen thousand, five hundred fifty-nine".