88723266816 has 72 divisors (see below), whose sum is σ = 236317992064. Its totient is φ = 29551288320.

The previous prime is 88723266811. The next prime is 88723266823. The reversal of 88723266816 is 61866232788.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88723266811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951561 + ... + 1040631.

Almost surely, 2^88723266816 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 88723266816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118158996032).

88723266816 is an abundant number, since it is smaller than the sum of its proper divisors (147594725248).

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

88723266816 is a wasteful number, since it uses less digits than its factorization.

88723266816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90387 (or 90373 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The spelling of 88723266816 in words is "eighty-eight billion, seven hundred twenty-three million, two hundred sixty-six thousand, eight hundred sixteen".