88158889728 has 288 divisors, whose sum is σ = 320865484800. Its totient is φ = 23250530304.

The previous prime is 88158889711. The next prime is 88158889729. The reversal of 88158889728 is 82798885188.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88158889729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558913 + ... + 699071.

Almost surely, 2^88158889728 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 88158889728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160432742400).

88158889728 is an abundant number, since it is smaller than the sum of its proper divisors (232706595072).

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

88158889728 is a wasteful number, since it uses less digits than its factorization.

88158889728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140204 (or 140184 counting only the distinct ones).

The product of its digits is 165150720, while the sum is 72.

The spelling of 88158889728 in words is "eighty-eight billion, one hundred fifty-eight million, eight hundred eighty-nine thousand, seven hundred twenty-eight".