85971848 has 16 divisors (see below), whose sum is σ = 161474460. Its totient is φ = 42912000.

The previous prime is 85971817. The next prime is 85971871. The reversal of 85971848 is 84817958.

It can be written as a sum of positive squares in 2 ways, for example, as 84676804 + 1295044 = 9202^2 + 1138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85971796 and 85971805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4133 + ... + 13748.

Almost surely, 2^85971848 is an apocalyptic number.

It is an amenable number.

85971848 is a deficient number, since it is larger than the sum of its proper divisors (75502612).

85971848 is a wasteful number, since it uses less digits than its factorization.

85971848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18488 (or 18484 counting only the distinct ones).

The product of its digits is 645120, while the sum is 50.

The square root of 85971848 is about 9272.1005171428. The cubic root of 85971848 is about 441.3523270081.

The spelling of 85971848 in words is "eighty-five million, nine hundred seventy-one thousand, eight hundred forty-eight".