88644325536 has 192 divisors, whose sum is σ = 278782560000. Its totient is φ = 27241049088.

The previous prime is 88644325531. The next prime is 88644325541. The reversal of 88644325536 is 63552344688.

88644325536 is a `hidden beast` number, since 8 + 8 + 64 + 43 + 2 + 5 + 536 = 666.

It is an interprime number because it is at equal distance from previous prime (88644325531) and next prime (88644325541).

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

It is not an unprimeable number, because it can be changed into a prime (88644325531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9845965 + ... + 9854963.

It is an arithmetic number, because the mean of its divisors is an integer number (1451992500).

Almost surely, 2^88644325536 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 88644325536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139391280000).

88644325536 is an abundant number, since it is smaller than the sum of its proper divisors (190138234464).

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

88644325536 is a wasteful number, since it uses less digits than its factorization.

88644325536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9908 (or 9894 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 54.

The spelling of 88644325536 in words is "eighty-eight billion, six hundred forty-four million, three hundred twenty-five thousand, five hundred thirty-six".