85586868557 has 8 divisors (see below), whose sum is σ = 86722684800. Its totient is φ = 84452363424.

The previous prime is 85586868517. The next prime is 85586868637. The reversal of 85586868557 is 75586868558.

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 85586868557 - 2¹⁶ = 85586803021 is a prime.

It is a super-2 number, since 2×85586868557² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85586868517) 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, 196007 + ... + 457812.

It is an arithmetic number, because the mean of its divisors is an integer number (10840335600).

Almost surely, 2^85586868557 is an apocalyptic number.

It is an amenable number.

85586868557 is a deficient number, since it is larger than the sum of its proper divisors (1135816243).

85586868557 is a wasteful number, since it uses less digits than its factorization.

85586868557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655555.

The product of its digits is 645120000, while the sum is 71.

Subtracting from 85586868557 its reverse (75586868558), we obtain a palindrome (9999999999).

The spelling of 85586868557 in words is "eighty-five billion, five hundred eighty-six million, eight hundred sixty-eight thousand, five hundred fifty-seven".