85474863 has 12 divisors (see below), whose sum is σ = 129962040. Its totient is φ = 53984016.

The previous prime is 85474819. The next prime is 85474891. The reversal of 85474863 is 36847458.

85474863 is a `hidden beast` number, since 8 + 547 + 48 + 63 = 666.

It is not a de Polignac number, because 85474863 - 2¹⁴ = 85458479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85474063) 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, 249756 + ... + 250097.

It is an arithmetic number, because the mean of its divisors is an integer number (10830170).

Almost surely, 2^85474863 is an apocalyptic number.

85474863 is a deficient number, since it is larger than the sum of its proper divisors (44487177).

85474863 is a wasteful number, since it uses less digits than its factorization.

85474863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499878 (or 499875 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 85474863 is about 9245.2616512460. The cubic root of 85474863 is about 440.5002282601.

The spelling of 85474863 in words is "eighty-five million, four hundred seventy-four thousand, eight hundred sixty-three".