88732717920 has 768 divisors, whose sum is σ = 393634805760. Its totient is φ = 18131558400.

The previous prime is 88732717901. The next prime is 88732717921. The reversal of 88732717920 is 2971723788.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88732717921) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20288854 + ... + 20293226.

It is an arithmetic number, because the mean of its divisors is an integer number (512545320).

Almost surely, 2^88732717920 is an apocalyptic number.

88732717920 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 88732717920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196817402880).

88732717920 is an abundant number, since it is smaller than the sum of its proper divisors (304902087840).

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

88732717920 is a wasteful number, since it uses less digits than its factorization.

88732717920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476 (or 4462 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The spelling of 88732717920 in words is "eighty-eight billion, seven hundred thirty-two million, seven hundred seventeen thousand, nine hundred twenty".