85466847 has 16 divisors (see below), whose sum is σ = 115315200. Its totient is φ = 56302752.

The previous prime is 85466819. The next prime is 85466891. The reversal of 85466847 is 74866458.

It is not a de Polignac number, because 85466847 - 2¹⁰ = 85465823 is a prime.

It is a super-2 number, since 2×85466847² = 14609163872242818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85466796 and 85466805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85466347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117198 + ... + 117924.

It is an arithmetic number, because the mean of its divisors is an integer number (7207200).

Almost surely, 2^85466847 is an apocalyptic number.

85466847 is a deficient number, since it is larger than the sum of its proper divisors (29848353).

85466847 is a wasteful number, since it uses less digits than its factorization.

85466847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142.

The product of its digits is 1290240, while the sum is 48.

The square root of 85466847 is about 9244.8281217122. The cubic root of 85466847 is about 440.4864575050.

The spelling of 85466847 in words is "eighty-five million, four hundred sixty-six thousand, eight hundred forty-seven".