85867583832187 has 4 divisors (see below), whose sum is σ = 86523061571496. Its totient is φ = 85212106092880.

The previous prime is 85867583832161. The next prime is 85867583832227. The reversal of 85867583832187 is 78123838576858.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85867583832187 - 2³¹ = 85865436348539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85867583832137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327738869458 + ... + 327738869719.

It is an arithmetic number, because the mean of its divisors is an integer number (21630765392874).

Almost surely, 2^{85867583832187} is an apocalyptic number.

85867583832187 is a deficient number, since it is larger than the sum of its proper divisors (655477739309).

85867583832187 is a wasteful number, since it uses less digits than its factorization.

85867583832187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655477739308.

The product of its digits is 4335206400, while the sum is 79.

The spelling of 85867583832187 in words is "eighty-five trillion, eight hundred sixty-seven billion, five hundred eighty-three million, eight hundred thirty-two thousand, one hundred eighty-seven".