7198898856 has 64 divisors (see below), whose sum is σ = 18219297600. Its totient is φ = 2370086400.

The previous prime is 7198898803. The next prime is 7198898873. The reversal of 7198898856 is 6588988917.

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 15 ways as a sum of consecutive naturals, for example, 3867366 + ... + 3869226.

It is an arithmetic number, because the mean of its divisors is an integer number (284676525).

Almost surely, 2^7198898856 is an apocalyptic number.

It is an amenable number.

7198898856 is an abundant number, since it is smaller than the sum of its proper divisors (11020398744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7198898856 is a wasteful number, since it uses less digits than its factorization.

7198898856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770 (or 3766 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 69.

The square root of 7198898856 is about 84846.3249410368. The cubic root of 7198898856 is about 1930.8803250404.

The spelling of 7198898856 in words is "seven billion, one hundred ninety-eight million, eight hundred ninety-eight thousand, eight hundred fifty-six".