8858856681 has 20 divisors (see below), whose sum is σ = 13242921472. Its totient is φ = 5901744888.

The previous prime is 8858856653. The next prime is 8858856691. The reversal of 8858856681 is 1866588588.

It is not a de Polignac number, because 8858856681 - 2⁵ = 8858856649 is a prime.

It is a super-2 number, since 2×8858856681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8858856631) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79416 + ... + 154998.

Almost surely, 2^8858856681 is an apocalyptic number.

8858856681 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8858856681 is a deficient number, since it is larger than the sum of its proper divisors (4384064791).

8858856681 is a wasteful number, since it uses less digits than its factorization.

8858856681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77042 (or 77033 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 63.

The square root of 8858856681 is about 94121.4995683770. The cubic root of 8858856681 is about 2069.1527786856.

The spelling of 8858856681 in words is "eight billion, eight hundred fifty-eight million, eight hundred fifty-six thousand, six hundred eighty-one".