7881371087760 has 320 divisors, whose sum is σ = 27207123989760. Its totient is φ = 2097046056960.

The previous prime is 7881371087717. The next prime is 7881371087791. The reversal of 7881371087760 is 677801731887.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2556395179 + ... + 2556398261.

It is an arithmetic number, because the mean of its divisors is an integer number (85022262468).

Almost surely, 2^{7881371087760} 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 7881371087760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13603561994880).

7881371087760 is an abundant number, since it is smaller than the sum of its proper divisors (19325752902000).

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

7881371087760 is a wasteful number, since it uses less digits than its factorization.

7881371087760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5343 (or 5331 counting only the distinct ones).

The product of its (nonzero) digits is 22127616, while the sum is 63.

The spelling of 7881371087760 in words is "seven trillion, eight hundred eighty-one billion, three hundred seventy-one million, eighty-seven thousand, seven hundred sixty".