860091231117887 has 8 divisors (see below), whose sum is σ = 897487960748256. Its totient is φ = 822694623046912.

The previous prime is 860091231117869. The next prime is 860091231117913. The reversal of 860091231117887 is 788711132190068.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 860091231117887 - 2³⁰ = 860090157376063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860091231117857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15781838 + ... + 44376219.

It is an arithmetic number, because the mean of its divisors is an integer number (112185995093532).

Almost surely, 2^{860091231117887} is an apocalyptic number.

860091231117887 is a deficient number, since it is larger than the sum of its proper divisors (37396729630369).

860091231117887 is a wasteful number, since it uses less digits than its factorization.

860091231117887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60779697.

The product of its (nonzero) digits is 8128512, while the sum is 62.

The spelling of 860091231117887 in words is "eight hundred sixty trillion, ninety-one billion, two hundred thirty-one million, one hundred seventeen thousand, eight hundred eighty-seven".