86002281 has 6 divisors (see below), whose sum is σ = 124225530. Its totient is φ = 57334848.

The previous prime is 86002271. The next prime is 86002283. The reversal of 86002281 is 18220068.

It can be written as a sum of positive squares in only one way, i.e., 83997225 + 2005056 = 9165^2 + 1416^2 .

It is not a de Polignac number, because 86002281 - 2¹⁰ = 86001257 is a prime.

It is a super-2 number, since 2×86002281² = 14792784674405922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86002283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4777896 + ... + 4777913.

It is an arithmetic number, because the mean of its divisors is an integer number (20704255).

Almost surely, 2^86002281 is an apocalyptic number.

It is an amenable number.

86002281 is a deficient number, since it is larger than the sum of its proper divisors (38223249).

86002281 is a wasteful number, since it uses less digits than its factorization.

86002281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9555815 (or 9555812 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 86002281 is about 9273.7414779581. The cubic root of 86002281 is about 441.4043986691.

The spelling of 86002281 in words is "eighty-six million, two thousand, two hundred eighty-one".