86271560 has 16 divisors (see below), whose sum is σ = 194111100. Its totient is φ = 34508608.

The previous prime is 86271557. The next prime is 86271569. The reversal of 86271560 is 6517268.

It can be written as a sum of positive squares in 2 ways, for example, as 84015556 + 2256004 = 9166^2 + 1502^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86271560.

It is not an unprimeable number, because it can be changed into a prime (86271569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078355 + ... + 1078434.

Almost surely, 2^86271560 is an apocalyptic number.

It is an amenable number.

86271560 is an abundant number, since it is smaller than the sum of its proper divisors (107839540).

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

86271560 is a wasteful number, since it uses less digits than its factorization.

86271560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156800 (or 2156796 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 86271560 is about 9288.2484893547. The cubic root of 86271560 is about 441.8646077672.

The spelling of 86271560 in words is "eighty-six million, two hundred seventy-one thousand, five hundred sixty".