89042497218 has 96 divisors (see below), whose sum is σ = 215233424640. Its totient is φ = 26439022080.

The previous prime is 89042497217. The next prime is 89042497249. The reversal of 89042497218 is 81279424098.

89042497218 is a `hidden beast` number, since 8 + 90 + 42 + 497 + 21 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (89042497217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6487383 + ... + 6501093.

It is an arithmetic number, because the mean of its divisors is an integer number (2242014840).

Almost surely, 2^89042497218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89042497218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107616712320).

89042497218 is an abundant number, since it is smaller than the sum of its proper divisors (126190927422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89042497218 is a wasteful number, since it uses less digits than its factorization.

89042497218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14872 (or 14869 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 89042497218 in words is "eighty-nine billion, forty-two million, four hundred ninety-seven thousand, two hundred eighteen".