85906163 has 24 divisors (see below), whose sum is σ = 107237520. Its totient is φ = 68402880.

The previous prime is 85906159. The next prime is 85906169. The reversal of 85906163 is 36160958.

It is not a de Polignac number, because 85906163 - 2² = 85906159 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (85906169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48473 + ... + 50213.

It is an arithmetic number, because the mean of its divisors is an integer number (4468230).

Almost surely, 2^85906163 is an apocalyptic number.

85906163 is a deficient number, since it is larger than the sum of its proper divisors (21331357).

85906163 is a wasteful number, since it uses less digits than its factorization.

85906163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 85906163 is about 9268.5577626727. The cubic root of 85906163 is about 441.2398963518.

The spelling of 85906163 in words is "eighty-five million, nine hundred six thousand, one hundred sixty-three".