85471156 has 12 divisors (see below), whose sum is σ = 149644768. Its totient is φ = 42715512.

The previous prime is 85471129. The next prime is 85471171. The reversal of 85471156 is 65117458.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8785 + ... + 15751.

Almost surely, 2^85471156 is an apocalyptic number.

It is an amenable number.

85471156 is a deficient number, since it is larger than the sum of its proper divisors (64173612).

85471156 is a wasteful number, since it uses less digits than its factorization.

85471156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038 (or 10036 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 85471156 is about 9245.0611679967. The cubic root of 85471156 is about 440.4938600800.

It can be divided in two parts, 854 and 71156, that added together give a triangular number (72010 = T₃₇₉).

The spelling of 85471156 in words is "eighty-five million, four hundred seventy-one thousand, one hundred fifty-six".