86426281 has 4 divisors (see below), whose sum is σ = 86452992. Its totient is φ = 86399572.

The previous prime is 86426267. The next prime is 86426287. The reversal of 86426281 is 18262468.

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 a cyclic number.

It is not a de Polignac number, because 86426281 - 2²⁵ = 52871849 is a prime.

It is a super-2 number, since 2×86426281² = 14939004094981922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86426281.

It is not an unprimeable number, because it can be changed into a prime (86426287) 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, 7705 + ... + 15238.

It is an arithmetic number, because the mean of its divisors is an integer number (21613248).

Almost surely, 2^86426281 is an apocalyptic number.

It is an amenable number.

86426281 is a deficient number, since it is larger than the sum of its proper divisors (26711).

86426281 is a wasteful number, since it uses less digits than its factorization.

86426281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26710.

The product of its digits is 36864, while the sum is 37.

The square root of 86426281 is about 9296.5736161233. The cubic root of 86426281 is about 442.1285993816.

The spelling of 86426281 in words is "eighty-six million, four hundred twenty-six thousand, two hundred eighty-one".