860091231117888 has 1344 divisors, whose sum is σ = 3405603093580800. Its totient is φ = 209755694776320.

The previous prime is 860091231117869. The next prime is 860091231117913. The reversal of 860091231117888 is 888711132190068.

860091231117888 is a `hidden beast` number, since 8 + 60 + 0 + 9 + 12 + 311 + 178 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6634240395 + ... + 6634370037.

It is an arithmetic number, because the mean of its divisors is an integer number (2533930873200).

Almost surely, 2^{860091231117888} is an apocalyptic number.

860091231117888 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860091231117888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1702801546790400).

860091231117888 is an abundant number, since it is smaller than the sum of its proper divisors (2545511862462912).

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

860091231117888 is a wasteful number, since it uses less digits than its factorization.

860091231117888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130125 (or 130102 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 63.

The spelling of 860091231117888 in words is "eight hundred sixty trillion, ninety-one billion, two hundred thirty-one million, one hundred seventeen thousand, eight hundred eighty-eight".