698080868 has 12 divisors (see below), whose sum is σ = 1224465900. Its totient is φ = 348233472.

The previous prime is 698080849. The next prime is 698080871. The reversal of 698080868 is 868080896.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51294244 + 646786624 = 7162^2 + 25432^2 .

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, 199793 + ... + 203256.

It is an arithmetic number, because the mean of its divisors is an integer number (102038825).

Almost surely, 2^698080868 is an apocalyptic number.

It is an amenable number.

698080868 is a deficient number, since it is larger than the sum of its proper divisors (526385032).

698080868 is a wasteful number, since it uses less digits than its factorization.

698080868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403486 (or 403484 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 53.

The square root of 698080868 is about 26421.2200323906. The cubic root of 698080868 is about 887.0918281226.

The spelling of 698080868 in words is "six hundred ninety-eight million, eighty thousand, eight hundred sixty-eight".