85386426128 has 20 divisors (see below), whose sum is σ = 166738851840. Its totient is φ = 42357045024.

The previous prime is 85386426101. The next prime is 85386426143. The reversal of 85386426128 is 82162468358.

It is a self number, because there is not a number n which added to its sum of digits gives 85386426128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21008408 + ... + 21012471.

It is an arithmetic number, because the mean of its divisors is an integer number (8336942592).

Almost surely, 2^85386426128 is an apocalyptic number.

It is an amenable number.

85386426128 is a deficient number, since it is larger than the sum of its proper divisors (81352425712).

85386426128 is a wasteful number, since it uses less digits than its factorization.

85386426128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42021014 (or 42021008 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 53.

The spelling of 85386426128 in words is "eighty-five billion, three hundred eighty-six million, four hundred twenty-six thousand, one hundred twenty-eight".