8557834681 has 8 divisors (see below), whose sum is σ = 9366233184. Its totient is φ = 7754505120.

The previous prime is 8557834667. The next prime is 8557834723. The reversal of 8557834681 is 1864387558.

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 8557834681 - 2⁷ = 8557834553 is a prime.

It is a super-2 number, since 2×8557834681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8557834651) 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, 1263700 + ... + 1270453.

It is an arithmetic number, because the mean of its divisors is an integer number (1170779148).

Almost surely, 2^8557834681 is an apocalyptic number.

It is an amenable number.

8557834681 is a deficient number, since it is larger than the sum of its proper divisors (808398503).

8557834681 is a wasteful number, since it uses less digits than its factorization.

8557834681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534471.

The product of its digits is 6451200, while the sum is 55.

The square root of 8557834681 is about 92508.5654466655. The cubic root of 8557834681 is about 2045.4457439448.

The spelling of 8557834681 in words is "eight billion, five hundred fifty-seven million, eight hundred thirty-four thousand, six hundred eighty-one".