86531560650580 has 96 divisors (see below), whose sum is σ = 191896910755200. Its totient is φ = 32685273612288.

The previous prime is 86531560650551. The next prime is 86531560650581. The reversal of 86531560650580 is 8505606513568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86531560650581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347700631 + ... + 347949409.

It is an arithmetic number, because the mean of its divisors is an integer number (1998926153700).

Almost surely, 2^{86531560650580} 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 86531560650580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95948455377600).

86531560650580 is an abundant number, since it is smaller than the sum of its proper divisors (105365350104620).

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

86531560650580 is a wasteful number, since it uses less digits than its factorization.

86531560650580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251753 (or 251751 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 58.

The spelling of 86531560650580 in words is "eighty-six trillion, five hundred thirty-one billion, five hundred sixty million, six hundred fifty thousand, five hundred eighty".