85986063187 has 8 divisors (see below), whose sum is σ = 90526574160. Its totient is φ = 81447045120.

The previous prime is 85986063179. The next prime is 85986063193. The reversal of 85986063187 is 78136068958.

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 85986063187 - 2³ = 85986063179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85986063587) 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, 254014 + ... + 486307.

It is an arithmetic number, because the mean of its divisors is an integer number (11315821770).

Almost surely, 2^85986063187 is an apocalyptic number.

85986063187 is a deficient number, since it is larger than the sum of its proper divisors (4540510973).

85986063187 is a wasteful number, since it uses less digits than its factorization.

85986063187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746453.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 85986063187 in words is "eighty-five billion, nine hundred eighty-six million, sixty-three thousand, one hundred eighty-seven".