88441665280 has 72 divisors (see below), whose sum is σ = 212067469152. Its totient is φ = 35339587584.

The previous prime is 88441665241. The next prime is 88441665281. The reversal of 88441665280 is 8256614488.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88441665281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202034 + ... + 1273486.

It is an arithmetic number, because the mean of its divisors is an integer number (2945381516).

Almost surely, 2^88441665280 is an apocalyptic number.

88441665280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88441665280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106033734576).

88441665280 is an abundant number, since it is smaller than the sum of its proper divisors (123625803872).

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

88441665280 is an equidigital number, since it uses as much as digits as its factorization.

88441665280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72441 (or 72427 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 52.

The spelling of 88441665280 in words is "eighty-eight billion, four hundred forty-one million, six hundred sixty-five thousand, two hundred eighty".