85858685858 has 8 divisors (see below), whose sum is σ = 140496031440. Its totient is φ = 39026675380.

The previous prime is 85858685821. The next prime is 85858685863.

85858685858 is nontrivially palindromic in base 10.

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

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, 1951333748 + ... + 1951333791.

It is an arithmetic number, because the mean of its divisors is an integer number (17562003930).

Almost surely, 2^85858685858 is an apocalyptic number.

85858685858 is a deficient number, since it is larger than the sum of its proper divisors (54637345582).

85858685858 is a wasteful number, since it uses less digits than its factorization.

85858685858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902667552.

The product of its digits is 983040000, while the sum is 74.

The spelling of 85858685858 in words is "eighty-five billion, eight hundred fifty-eight million, six hundred eighty-five thousand, eight hundred fifty-eight".