85874847 has 16 divisors (see below), whose sum is σ = 120035328. Its totient is φ = 54505440.

The previous prime is 85874839. The next prime is 85874849. The reversal of 85874847 is 74847858.

It is not a de Polignac number, because 85874847 - 2³ = 85874839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85874847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85874849) 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, 12597 + ... + 18177.

It is an arithmetic number, because the mean of its divisors is an integer number (7502208).

Almost surely, 2^85874847 is an apocalyptic number.

85874847 is a deficient number, since it is larger than the sum of its proper divisors (34160481).

85874847 is a wasteful number, since it uses less digits than its factorization.

85874847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5830.

The product of its digits is 2007040, while the sum is 51.

The square root of 85874847 is about 9266.8682412129. The cubic root of 85874847 is about 441.1862737032.

The spelling of 85874847 in words is "eighty-five million, eight hundred seventy-four thousand, eight hundred forty-seven".