4781987898198 has 16 divisors (see below), whose sum is σ = 10930258053120. Its totient is φ = 1366282256616.

The previous prime is 4781987898131. The next prime is 4781987898203. The reversal of 4781987898198 is 8918987891874.

It is a super-2 number, since 2×4781987898198² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 56928427318 + ... + 56928427401.

It is an arithmetic number, because the mean of its divisors is an integer number (683141128320).

Almost surely, 2^{4781987898198} is an apocalyptic number.

4781987898198 is an abundant number, since it is smaller than the sum of its proper divisors (6148270154922).

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

4781987898198 is a wasteful number, since it uses less digits than its factorization.

4781987898198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113856854731.

The product of its digits is 4682022912, while the sum is 87.

The spelling of 4781987898198 in words is "four trillion, seven hundred eighty-one billion, nine hundred eighty-seven million, eight hundred ninety-eight thousand, one hundred ninety-eight".