8087261003720 has 128 divisors (see below), whose sum is σ = 19169644032000. Its totient is φ = 3064594452480.

The previous prime is 8087261003711. The next prime is 8087261003749. The reversal of 8087261003720 is 273001627808.

It is a happy number.

It is a Cunningham number, because it is equal to 2843811²-1.

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, 261615065 + ... + 261645975.

It is an arithmetic number, because the mean of its divisors is an integer number (149762844000).

Almost surely, 2^{8087261003720} 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 8087261003720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9584822016000).

8087261003720 is an abundant number, since it is smaller than the sum of its proper divisors (11082383028280).

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

8087261003720 is a wasteful number, since it uses less digits than its factorization.

8087261003720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33663 (or 33659 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 8087261003720 in words is "eight trillion, eighty-seven billion, two hundred sixty-one million, three thousand, seven hundred twenty".