86860281 has 4 divisors (see below), whose sum is σ = 115813712. Its totient is φ = 57906852.

The previous prime is 86860273. The next prime is 86860313. The reversal of 86860281 is 18206868.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 86860281 - 2³ = 86860273 is a prime.

It is a super-2 number, since 2×86860281² = 15089416830797922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86868281) 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, 14476711 + ... + 14476716.

It is an arithmetic number, because the mean of its divisors is an integer number (28953428).

Almost surely, 2^86860281 is an apocalyptic number.

It is an amenable number.

86860281 is a deficient number, since it is larger than the sum of its proper divisors (28953431).

86860281 is a wasteful number, since it uses less digits than its factorization.

86860281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28953430.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 86860281 is about 9319.8863190492. The cubic root of 86860281 is about 442.8674314195.

The spelling of 86860281 in words is "eighty-six million, eight hundred sixty thousand, two hundred eighty-one".