85587278558 has 8 divisors (see below), whose sum is σ = 129149666352. Its totient is φ = 42537389776.

The previous prime is 85587278537. The next prime is 85587278587.

85587278558 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128124335 + ... + 128125002.

It is an arithmetic number, because the mean of its divisors is an integer number (16143708294).

Almost surely, 2^85587278558 is an apocalyptic number.

85587278558 is a deficient number, since it is larger than the sum of its proper divisors (43562387794).

85587278558 is a wasteful number, since it uses less digits than its factorization.

85587278558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256249506.

The product of its digits is 250880000, while the sum is 68.

The spelling of 85587278558 in words is "eighty-five billion, five hundred eighty-seven million, two hundred seventy-eight thousand, five hundred fifty-eight".