88726021760 has 128 divisors (see below), whose sum is σ = 222486773760. Its totient is φ = 33770373120.

The previous prime is 88726021753. The next prime is 88726021781. The reversal of 88726021760 is 6712062788.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2825345 + ... + 2856575.

It is an arithmetic number, because the mean of its divisors is an integer number (1738177920).

Almost surely, 2^88726021760 is an apocalyptic number.

88726021760 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 88726021760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111243386880).

88726021760 is an abundant number, since it is smaller than the sum of its proper divisors (133760752000).

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

88726021760 is a wasteful number, since it uses less digits than its factorization.

88726021760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31466 (or 31454 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 88726021760 in words is "eighty-eight billion, seven hundred twenty-six million, twenty-one thousand, seven hundred sixty".