88644044688 has 80 divisors (see below), whose sum is σ = 233945978880. Its totient is φ = 28909865088.

The previous prime is 88644044683. The next prime is 88644044693.

It is a happy number.

88644044688 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (88644044683) and next prime (88644044693).

It is not an unprimeable number, because it can be changed into a prime (88644044683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11246733 + ... + 11254611.

It is an arithmetic number, because the mean of its divisors is an integer number (2924324736).

Almost surely, 2^88644044688 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 88644044688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116972989440).

88644044688 is an abundant number, since it is smaller than the sum of its proper divisors (145301934192).

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

88644044688 is a wasteful number, since it uses less digits than its factorization.

88644044688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12924 (or 12918 counting only the distinct ones).

The product of its (nonzero) digits is 37748736, while the sum is 60.

The spelling of 88644044688 in words is "eighty-eight billion, six hundred forty-four million, forty-four thousand, six hundred eighty-eight".