85871475 has 24 divisors (see below), whose sum is σ = 157750320. Its totient is φ = 45797760.

The previous prime is 85871453. The next prime is 85871483. The reversal of 85871475 is 57417858.

It is a happy number.

It is not a de Polignac number, because 85871475 - 2⁶ = 85871411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85871475.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62934 + ... + 64283.

It is an arithmetic number, because the mean of its divisors is an integer number (6572930).

Almost surely, 2^85871475 is an apocalyptic number.

85871475 is a deficient number, since it is larger than the sum of its proper divisors (71878845).

85871475 is a wasteful number, since it uses less digits than its factorization.

85871475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127236 (or 127225 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 85871475 is about 9266.6863009384. The cubic root of 85871475 is about 441.1804990220.

The spelling of 85871475 in words is "eighty-five million, eight hundred seventy-one thousand, four hundred seventy-five".