87944188000 has 192 divisors, whose sum is σ = 221286461760. Its totient is φ = 34338816000.

The previous prime is 87944187941. The next prime is 87944188037. The reversal of 87944188000 is 88144978.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33914704 + ... + 33917296.

It is an arithmetic number, because the mean of its divisors is an integer number (1152533655).

Almost surely, 2^87944188000 is an apocalyptic number.

87944188000 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 87944188000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110643230880).

87944188000 is an abundant number, since it is smaller than the sum of its proper divisors (133342273760).

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

87944188000 is a wasteful number, since it uses less digits than its factorization.

87944188000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818 (or 2800 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 87944188000 in words is "eighty-seven billion, nine hundred forty-four million, one hundred eighty-eight thousand".