868634883 has 24 divisors (see below), whose sum is σ = 1304194320. Its totient is φ = 556436160.

The previous prime is 868634827. The next prime is 868634891. The reversal of 868634883 is 388436868.

It is a happy number.

868634883 is a `hidden beast` number, since 86 + 86 + 3 + 488 + 3 = 666.

It is not a de Polignac number, because 868634883 - 2¹² = 868630787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (868639883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47185 + ... + 62957.

It is an arithmetic number, because the mean of its divisors is an integer number (54341430).

Almost surely, 2^868634883 is an apocalyptic number.

868634883 is a deficient number, since it is larger than the sum of its proper divisors (435559437).

868634883 is a wasteful number, since it uses less digits than its factorization.

868634883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16019 (or 16016 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The square root of 868634883 is about 29472.6124223829. The cubic root of 868634883 is about 954.1407008700.

The spelling of 868634883 in words is "eight hundred sixty-eight million, six hundred thirty-four thousand, eight hundred eighty-three".