85854855165 has 16 divisors (see below), whose sum is σ = 137379163968. Its totient is φ = 45785457536.

The previous prime is 85854855133. The next prime is 85854855173. The reversal of 85854855165 is 56155845858.

It is a cyclic number.

It is not a de Polignac number, because 85854855165 - 2⁵ = 85854855133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85854855099 and 85854855108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45567 + ... + 416876.

It is an arithmetic number, because the mean of its divisors is an integer number (8586197748).

Almost surely, 2^85854855165 is an apocalyptic number.

It is an amenable number.

85854855165 is a deficient number, since it is larger than the sum of its proper divisors (51524308803).

85854855165 is a wasteful number, since it uses less digits than its factorization.

85854855165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474828.

The product of its digits is 38400000, while the sum is 60.

The spelling of 85854855165 in words is "eighty-five billion, eight hundred fifty-four million, eight hundred fifty-five thousand, one hundred sixty-five".