86271856 has 40 divisors (see below), whose sum is σ = 191952000. Its totient is φ = 37149120.

The previous prime is 86271847. The next prime is 86271859. The reversal of 86271856 is 65817268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86271859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9556 + ... + 16243.

It is an arithmetic number, because the mean of its divisors is an integer number (4798800).

Almost surely, 2^86271856 is an apocalyptic number.

It is an amenable number.

86271856 is an abundant number, since it is smaller than the sum of its proper divisors (105680144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86271856 is a wasteful number, since it uses less digits than its factorization.

86271856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25837 (or 25831 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 86271856 is about 9288.2644234539. The cubic root of 86271856 is about 441.8651131163.

The spelling of 86271856 in words is "eighty-six million, two hundred seventy-one thousand, eight hundred fifty-six".