88812561726 has 128 divisors (see below), whose sum is σ = 245086617600. Its totient is φ = 23263964640.

The previous prime is 88812561703. The next prime is 88812561751. The reversal of 88812561726 is 62716521888.

88812561726 is a `hidden beast` number, since 8 + 8 + 8 + 1 + 2 + 561 + 72 + 6 = 666.

It is a super-2 number, since 2×88812561726² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23191 + ... + 422093.

It is an arithmetic number, because the mean of its divisors is an integer number (1914739200).

Almost surely, 2^88812561726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88812561726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122543308800).

88812561726 is an abundant number, since it is smaller than the sum of its proper divisors (156274055874).

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

88812561726 is a wasteful number, since it uses less digits than its factorization.

88812561726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398971 (or 398965 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 54.

The spelling of 88812561726 in words is "eighty-eight billion, eight hundred twelve million, five hundred sixty-one thousand, seven hundred twenty-six".