85854534163 has 8 divisors (see below), whose sum is σ = 87510310848. Its totient is φ = 84200086464.

The previous prime is 85854534137. The next prime is 85854534209. The reversal of 85854534163 is 36143545858.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85854534163 is a prime.

It is a super-2 number, since 2×85854534163² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85854534163.

It is not an unprimeable number, because it can be changed into a prime (85854534263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201306 + ... + 460687.

It is an arithmetic number, because the mean of its divisors is an integer number (10938788856).

Almost surely, 2^85854534163 is an apocalyptic number.

85854534163 is a deficient number, since it is larger than the sum of its proper divisors (1655776685).

85854534163 is a wasteful number, since it uses less digits than its factorization.

85854534163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664493.

The product of its digits is 6912000, while the sum is 52.

The spelling of 85854534163 in words is "eighty-five billion, eight hundred fifty-four million, five hundred thirty-four thousand, one hundred sixty-three".