85671113 has 16 divisors (see below), whose sum is σ = 97929216. Its totient is φ = 74186640.

The previous prime is 85671107. The next prime is 85671119. The reversal of 85671113 is 31117658.

It is an interprime number because it is at equal distance from previous prime (85671107) and next prime (85671119).

It is not a de Polignac number, because 85671113 - 2⁶ = 85671049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85671113.

It is not an unprimeable number, because it can be changed into a prime (85671119) 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, 77120 + ... + 78222.

It is an arithmetic number, because the mean of its divisors is an integer number (6120576).

Almost surely, 2^85671113 is an apocalyptic number.

It is an amenable number.

85671113 is a deficient number, since it is larger than the sum of its proper divisors (12258103).

85671113 is a wasteful number, since it uses less digits than its factorization.

85671113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444.

The product of its digits is 5040, while the sum is 32.

The square root of 85671113 is about 9255.8691110019. The cubic root of 85671113 is about 440.8370995907.

The spelling of 85671113 in words is "eighty-five million, six hundred seventy-one thousand, one hundred thirteen".