85985216727 has 8 divisors (see below), whose sum is σ = 115152009216. Its totient is φ = 57070951032.

The previous prime is 85985216711. The next prime is 85985216741. The reversal of 85985216727 is 72761258958.

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

It is not a de Polignac number, because 85985216727 - 2⁴ = 85985216711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85985216767) 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, 63130903 + ... + 63132264.

It is an arithmetic number, because the mean of its divisors is an integer number (14394001152).

Almost surely, 2^85985216727 is an apocalyptic number.

85985216727 is a deficient number, since it is larger than the sum of its proper divisors (29166792489).

85985216727 is a wasteful number, since it uses less digits than its factorization.

85985216727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126263397.

The product of its digits is 16934400, while the sum is 60.

The spelling of 85985216727 in words is "eighty-five billion, nine hundred eighty-five million, two hundred sixteen thousand, seven hundred twenty-seven".