868686898 has 8 divisors (see below), whose sum is σ = 1345063680. Its totient is φ = 420332340.

The previous prime is 868686877. The next prime is 868686899. The reversal of 868686898 is 898686868.

868686898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (868686899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7005478 + ... + 7005601.

It is an arithmetic number, because the mean of its divisors is an integer number (168132960).

Almost surely, 2^868686898 is an apocalyptic number.

868686898 is a deficient number, since it is larger than the sum of its proper divisors (476376782).

868686898 is a wasteful number, since it uses less digits than its factorization.

868686898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14011112.

The product of its digits is 63700992, while the sum is 67.

The square root of 868686898 is about 29473.4948385834. The cubic root of 868686898 is about 954.1597455568.

The spelling of 868686898 in words is "eight hundred sixty-eight million, six hundred eighty-six thousand, eight hundred ninety-eight".