85585058558 has 4 divisors (see below), whose sum is σ = 128377587840. Its totient is φ = 42792529278.

The previous prime is 85585058543. The next prime is 85585058639.

85585058558 is nontrivially palindromic in base 10.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85585058558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21396264638 + ... + 21396264641.

It is an arithmetic number, because the mean of its divisors is an integer number (32094396960).

Almost surely, 2^85585058558 is an apocalyptic number.

85585058558 is a deficient number, since it is larger than the sum of its proper divisors (42792529282).

85585058558 is a wasteful number, since it uses less digits than its factorization.

85585058558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42792529281.

The product of its (nonzero) digits is 64000000, while the sum is 62.

The spelling of 85585058558 in words is "eighty-five billion, five hundred eighty-five million, fifty-eight thousand, five hundred fifty-eight".