8570746681 has 16 divisors (see below), whose sum is σ = 10165559040. Its totient is φ = 7070172480.

The previous prime is 8570746649. The next prime is 8570746733. The reversal of 8570746681 is 1866470758.

It is not a de Polignac number, because 8570746681 - 2⁵ = 8570746649 is a prime.

It is a super-2 number, since 2×8570746681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8570746621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4746 + ... + 131011.

It is an arithmetic number, because the mean of its divisors is an integer number (635347440).

Almost surely, 2^8570746681 is an apocalyptic number.

It is an amenable number.

8570746681 is a deficient number, since it is larger than the sum of its proper divisors (1594812359).

8570746681 is a wasteful number, since it uses less digits than its factorization.

8570746681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136104.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The square root of 8570746681 is about 92578.3272748001. The cubic root of 8570746681 is about 2046.4739449928.

The spelling of 8570746681 in words is "eight billion, five hundred seventy million, seven hundred forty-six thousand, six hundred eighty-one".