8481223861 has 16 divisors (see below), whose sum is σ = 9345369600. Its totient is φ = 7632918000.

The previous prime is 8481223853. The next prime is 8481223867. The reversal of 8481223861 is 1683221848.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8481223861 - 2³ = 8481223853 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 (8481223867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541186 + ... + 556636.

It is an arithmetic number, because the mean of its divisors is an integer number (584085600).

Almost surely, 2^8481223861 is an apocalyptic number.

It is an amenable number.

8481223861 is a deficient number, since it is larger than the sum of its proper divisors (864145739).

8481223861 is a wasteful number, since it uses less digits than its factorization.

8481223861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15960.

The product of its digits is 147456, while the sum is 43.

The square root of 8481223861 is about 92093.5603666185. The cubic root of 8481223861 is about 2039.3237426700.

The spelling of 8481223861 in words is "eight billion, four hundred eighty-one million, two hundred twenty-three thousand, eight hundred sixty-one".