85810473 has 12 divisors (see below), whose sum is σ = 141655488. Its totient is φ = 49034520.

The previous prime is 85810421. The next prime is 85810477. The reversal of 85810473 is 37401858.

85810473 is a `hidden beast` number, since 8 + 581 + 0 + 4 + 73 = 666.

It is not a de Polignac number, because 85810473 - 2⁶ = 85810409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85810477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 680973 + ... + 681098.

It is an arithmetic number, because the mean of its divisors is an integer number (11804624).

Almost surely, 2^85810473 is an apocalyptic number.

It is an amenable number.

85810473 is a deficient number, since it is larger than the sum of its proper divisors (55845015).

85810473 is a wasteful number, since it uses less digits than its factorization.

85810473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362084 (or 1362081 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 85810473 is about 9263.3942483304. The cubic root of 85810473 is about 441.0760046088.

The spelling of 85810473 in words is "eighty-five million, eight hundred ten thousand, four hundred seventy-three".