8486344857 has 8 divisors (see below), whose sum is σ = 11316093984. Its totient is φ = 5657079488.

The previous prime is 8486344817. The next prime is 8486344859. The reversal of 8486344857 is 7584436848.

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 8486344857 - 2⁷ = 8486344729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8486344797 and 8486344806.

It is not an unprimeable number, because it can be changed into a prime (8486344859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77808 + ... + 151745.

It is an arithmetic number, because the mean of its divisors is an integer number (1414511748).

Almost surely, 2^8486344857 is an apocalyptic number.

It is an amenable number.

8486344857 is a deficient number, since it is larger than the sum of its proper divisors (2829749127).

8486344857 is a wasteful number, since it uses less digits than its factorization.

8486344857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241879.

The product of its digits is 20643840, while the sum is 57.

The square root of 8486344857 is about 92121.3593961791. The cubic root of 8486344857 is about 2039.7341106267.

The spelling of 8486344857 in words is "eight billion, four hundred eighty-six million, three hundred forty-four thousand, eight hundred fifty-seven".