86860571 has 24 divisors (see below), whose sum is σ = 107716320. Its totient is φ = 68553216.

The previous prime is 86860561. The next prime is 86860573. The reversal of 86860571 is 17506868.

It is not a de Polignac number, because 86860571 - 2¹⁴ = 86844187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86860573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93035 + ... + 93963.

It is an arithmetic number, because the mean of its divisors is an integer number (4488180).

Almost surely, 2^86860571 is an apocalyptic number.

86860571 is a deficient number, since it is larger than the sum of its proper divisors (20855749).

86860571 is a wasteful number, since it uses less digits than its factorization.

86860571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 86860571 is about 9319.9018771659. The cubic root of 86860571 is about 442.8679242854.

The spelling of 86860571 in words is "eighty-six million, eight hundred sixty thousand, five hundred seventy-one".