87717645325380 has 192 divisors, whose sum is σ = 296346737756160. Its totient is φ = 18938133559296.

The previous prime is 87717645325357. The next prime is 87717645325381. The reversal of 87717645325380 is 8352354671778.

It is not an unprimeable number, because it can be changed into a prime (87717645325381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13619622 + ... + 18998141.

It is an arithmetic number, because the mean of its divisors is an integer number (1543472592480).

Almost surely, 2^{87717645325380} is an apocalyptic number.

It is an amenable number.

87717645325380 is an abundant number, since it is smaller than the sum of its proper divisors (208629092430780).

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

87717645325380 is a wasteful number, since it uses less digits than its factorization.

87717645325380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32618138 (or 32618136 counting only the distinct ones).

The product of its (nonzero) digits is 237081600, while the sum is 66.

The spelling of 87717645325380 in words is "eighty-seven trillion, seven hundred seventeen billion, six hundred forty-five million, three hundred twenty-five thousand, three hundred eighty".