868556481 has 32 divisors (see below), whose sum is σ = 1355182080. Its totient is φ = 490017600.

The previous prime is 868556471. The next prime is 868556497. The reversal of 868556481 is 184655868.

It is a happy number.

868556481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 868556481 - 2⁶ = 868556417 is a prime.

It is a super-2 number, since 2×868556481² = 1508780721374206722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (868556431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4066 + ... + 41876.

It is an arithmetic number, because the mean of its divisors is an integer number (42349440).

Almost surely, 2^868556481 is an apocalyptic number.

It is an amenable number.

868556481 is a deficient number, since it is larger than the sum of its proper divisors (486625599).

868556481 is a wasteful number, since it uses less digits than its factorization.

868556481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37877.

The product of its digits is 1843200, while the sum is 51.

The square root of 868556481 is about 29471.2823100726. The cubic root of 868556481 is about 954.1119934535. Note that the first 3 decimals are identical.

The spelling of 868556481 in words is "eight hundred sixty-eight million, five hundred fifty-six thousand, four hundred eighty-one".