85555655558 has 8 divisors (see below), whose sum is σ = 128407541328. Its totient is φ = 42753141784.

The previous prime is 85555655509. The next prime is 85555655569.

85555655558 is nontrivially palindromic in base 10.

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

It is a super-3 number, since 3×85555655558³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85555655558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12338666 + ... + 12345597.

It is an arithmetic number, because the mean of its divisors is an integer number (16050942666).

Almost surely, 2^85555655558 is an apocalyptic number.

85555655558 is a deficient number, since it is larger than the sum of its proper divisors (42851885770).

85555655558 is a wasteful number, since it uses less digits than its factorization.

85555655558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24685998.

The product of its digits is 150000000, while the sum is 62.

The spelling of 85555655558 in words is "eighty-five billion, five hundred fifty-five million, six hundred fifty-five thousand, five hundred fifty-eight".