85586868558 has 24 divisors (see below), whose sum is σ = 185563484496. Its totient is φ = 28509684000.

The previous prime is 85586868517. The next prime is 85586868637.

85586868558 is a `hidden beast` number, since 8 + 5 + 5 + 8 + 6 + 8 + 68 + 558 = 666.

85586868558 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×85586868558² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1578618 + ... + 1631933.

It is an arithmetic number, because the mean of its divisors is an integer number (7731811854).

Almost surely, 2^85586868558 is an apocalyptic number.

85586868558 is an abundant number, since it is smaller than the sum of its proper divisors (99976615938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85586868558 is a wasteful number, since it uses less digits than its factorization.

85586868558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212040 (or 3212037 counting only the distinct ones).

The product of its digits is 737280000, while the sum is 72.

The spelling of 85586868558 in words is "eighty-five billion, five hundred eighty-six million, eight hundred sixty-eight thousand, five hundred fifty-eight".