87031784263260 has 192 divisors, whose sum is σ = 246402429235200. Its totient is φ = 22951537379328.

The previous prime is 87031784263253. The next prime is 87031784263337. The reversal of 87031784263260 is 6236248713078.

It is a self number, because there is not a number n which added to its sum of digits gives 87031784263260.

It is a congruent number.

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, 2225117464 + ... + 2225156576.

It is an arithmetic number, because the mean of its divisors is an integer number (1283345985600).

Almost surely, 2^{87031784263260} 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 87031784263260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123201214617600).

87031784263260 is an abundant number, since it is smaller than the sum of its proper divisors (159370644971940).

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

87031784263260 is a wasteful number, since it uses less digits than its factorization.

87031784263260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40300 (or 40298 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 57.

The spelling of 87031784263260 in words is "eighty-seven trillion, thirty-one billion, seven hundred eighty-four million, two hundred sixty-three thousand, two hundred sixty".