82281863 has 8 divisors (see below), whose sum is σ = 84194016. Its totient is φ = 80388000.

The previous prime is 82281847. The next prime is 82281869. The reversal of 82281863 is 36818228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82281863 - 2⁴ = 82281847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82281869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4745 + ... + 13677.

It is an arithmetic number, because the mean of its divisors is an integer number (10524252).

Almost surely, 2^82281863 is an apocalyptic number.

82281863 is a deficient number, since it is larger than the sum of its proper divisors (1912153).

82281863 is a wasteful number, since it uses less digits than its factorization.

82281863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9145.

The product of its digits is 36864, while the sum is 38.

The square root of 82281863 is about 9070.9350675661. The cubic root of 82281863 is about 434.9453632880.

The spelling of 82281863 in words is "eighty-two million, two hundred eighty-one thousand, eight hundred sixty-three".