108987078528 has 192 divisors, whose sum is σ = 328404585600. Its totient is φ = 35975259648.

The previous prime is 108987078527. The next prime is 108987078539. The reversal of 108987078528 is 825870789801.

108987078528 is a `hidden beast` number, since 10 + 8 + 98 + 7 + 0 + 7 + 8 + 528 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108987078527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3186703 + ... + 3220721.

It is an arithmetic number, because the mean of its divisors is an integer number (1710440550).

Almost surely, 2^108987078528 is an apocalyptic number.

108987078528 is a gapful number since it is divisible by the number (18) 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 108987078528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164202292800).

108987078528 is an abundant number, since it is smaller than the sum of its proper divisors (219417507072).

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

108987078528 is an equidigital number, since it uses as much as digits as its factorization.

108987078528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34151 (or 34127 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 63.

The spelling of 108987078528 in words is "one hundred eight billion, nine hundred eighty-seven million, seventy-eight thousand, five hundred twenty-eight".