88500729720 has 128 divisors (see below), whose sum is σ = 286591011840. Its totient is φ = 21734085120.

The previous prime is 88500729697. The next prime is 88500729739. The reversal of 88500729720 is 2792700588.

It is a self number, because there is not a number n which added to its sum of digits gives 88500729720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 606547 + ... + 738173.

It is an arithmetic number, because the mean of its divisors is an integer number (2238992280).

Almost surely, 2^88500729720 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 88500729720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143295505920).

88500729720 is an abundant number, since it is smaller than the sum of its proper divisors (198090282120).

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

88500729720 is a wasteful number, since it uses less digits than its factorization.

88500729720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132085 (or 132081 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 88500729720 in words is "eighty-eight billion, five hundred million, seven hundred twenty-nine thousand, seven hundred twenty".