8681047842 has 8 divisors (see below), whose sum is σ = 17362095696. Its totient is φ = 2893682612.

The previous prime is 8681047813. The next prime is 8681047861. The reversal of 8681047842 is 2487401868.

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

8681047842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 8681047791 and 8681047800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723420648 + ... + 723420659.

It is an arithmetic number, because the mean of its divisors is an integer number (2170261962).

Almost surely, 2^8681047842 is an apocalyptic number.

8681047842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8681047842 is a wasteful number, since it uses less digits than its factorization.

8681047842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446841312.

The product of its (nonzero) digits is 688128, while the sum is 48.

The square root of 8681047842 is about 93172.1409113261. The cubic root of 8681047842 is about 2055.2155785231.

The spelling of 8681047842 in words is "eight billion, six hundred eighty-one million, forty-seven thousand, eight hundred forty-two".