868859588 has 12 divisors (see below), whose sum is σ = 1600530960. Its totient is φ = 411565032.

The previous prime is 868859561. The next prime is 868859611. The reversal of 868859588 is 885958868.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5716106 + ... + 5716257.

It is an arithmetic number, because the mean of its divisors is an integer number (133377580).

Almost surely, 2^868859588 is an apocalyptic number.

It is an amenable number.

868859588 is a deficient number, since it is larger than the sum of its proper divisors (731671372).

868859588 is a wasteful number, since it uses less digits than its factorization.

868859588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11432386 (or 11432384 counting only the distinct ones).

The product of its digits is 44236800, while the sum is 65.

The square root of 868859588 is about 29476.4242743247. The cubic root of 868859588 is about 954.2229685391. Note that the first 3 decimals are identical.

The spelling of 868859588 in words is "eight hundred sixty-eight million, eight hundred fifty-nine thousand, five hundred eighty-eight".