85856448164 has 12 divisors (see below), whose sum is σ = 155095519488. Its totient is φ = 41543442600.

The previous prime is 85856448149. The next prime is 85856448199. The reversal of 85856448164 is 46184465858.

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, 346195232 + ... + 346195479.

It is an arithmetic number, because the mean of its divisors is an integer number (12924626624).

Almost surely, 2^85856448164 is an apocalyptic number.

It is an amenable number.

85856448164 is a deficient number, since it is larger than the sum of its proper divisors (69239071324).

85856448164 is a wasteful number, since it uses less digits than its factorization.

85856448164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692390746 (or 692390744 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 59.

The spelling of 85856448164 in words is "eighty-five billion, eight hundred fifty-six million, four hundred forty-eight thousand, one hundred sixty-four".