88866989568 has 840 divisors, whose sum is σ = 319689357768. Its totient is φ = 24580620288.

The previous prime is 88866989551. The next prime is 88866989669. The reversal of 88866989568 is 86598966888.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 786433480 + ... + 786433592.

Almost surely, 2^88866989568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88866989568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159844678884).

88866989568 is an abundant number, since it is smaller than the sum of its proper divisors (230822368200).

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

88866989568 is an equidigital number, since it uses as much as digits as its factorization.

88866989568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 168 counting only the distinct ones).

The product of its digits is 2866544640, while the sum is 81.

The spelling of 88866989568 in words is "eighty-eight billion, eight hundred sixty-six million, nine hundred eighty-nine thousand, five hundred sixty-eight".