198780096886 has 16 divisors (see below), whose sum is σ = 349077244320. Its totient is φ = 83113629120.

The previous prime is 198780096881. The next prime is 198780096899. The reversal of 198780096886 is 688690087891.

198780096886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198780096881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173152821 + ... + 173153968.

It is an arithmetic number, because the mean of its divisors is an integer number (21817327770).

Almost surely, 2^198780096886 is an apocalyptic number.

198780096886 is a deficient number, since it is larger than the sum of its proper divisors (150297147434).

198780096886 is a wasteful number, since it uses less digits than its factorization.

198780096886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346306839.

The product of its (nonzero) digits is 83607552, while the sum is 70.

The spelling of 198780096886 in words is "one hundred ninety-eight billion, seven hundred eighty million, ninety-six thousand, eight hundred eighty-six".