998000000866 has 8 divisors (see below), whose sum is σ = 1633090910544. Its totient is φ = 453636364020.

The previous prime is 998000000807. The next prime is 998000000887. The reversal of 998000000866 is 668000000899.

It is a happy number.

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

998000000866 is a strobogrammatic number because it is the same when read upside-down.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22681818180 + ... + 22681818223.

It is an arithmetic number, because the mean of its divisors is an integer number (204136363818).

Almost surely, 2^998000000866 is an apocalyptic number.

998000000866 is a deficient number, since it is larger than the sum of its proper divisors (635090909678).

998000000866 is a wasteful number, since it uses less digits than its factorization.

998000000866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45363636416.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 998000000866 in words is "nine hundred ninety-eight billion, eight hundred sixty-six", and thus it is an aban number.