868828198 has 8 divisors (see below), whose sum is σ = 1489419792. Its totient is φ = 372354936.

The previous prime is 868828189. The next prime is 868828241. The reversal of 868828198 is 891828868.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 31029565 + ... + 31029592.

It is an arithmetic number, because the mean of its divisors is an integer number (186177474).

Almost surely, 2^868828198 is an apocalyptic number.

868828198 is a deficient number, since it is larger than the sum of its proper divisors (620591594).

868828198 is a wasteful number, since it uses less digits than its factorization.

868828198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62059166.

The product of its digits is 3538944, while the sum is 58.

The square root of 868828198 is about 29475.8918100878. The cubic root of 868828198 is about 954.2114770698.

The spelling of 868828198 in words is "eight hundred sixty-eight million, eight hundred twenty-eight thousand, one hundred ninety-eight".