85120163 has 4 divisors (see below), whose sum is σ = 85171680. Its totient is φ = 85068648.

The previous prime is 85120159. The next prime is 85120169. The reversal of 85120163 is 36102158.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85120163 - 2² = 85120159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85120169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23195 + ... + 26612.

It is an arithmetic number, because the mean of its divisors is an integer number (21292920).

Almost surely, 2^85120163 is an apocalyptic number.

85120163 is a deficient number, since it is larger than the sum of its proper divisors (51517).

85120163 is a wasteful number, since it uses less digits than its factorization.

85120163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51516.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 85120163 is about 9226.0589094152. The cubic root of 85120163 is about 439.8900603424.

The spelling of 85120163 in words is "eighty-five million, one hundred twenty thousand, one hundred sixty-three".