8611881198 has 32 divisors (see below), whose sum is σ = 17298955296. Its totient is φ = 2858114688.

The previous prime is 8611881169. The next prime is 8611881259. The reversal of 8611881198 is 8911881168.

8611881198 is a strobogrammatic number because it is the same when read upside-down.

It is a self number, because there is not a number n which added to its sum of digits gives 8611881198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2834136 + ... + 2837172.

It is an arithmetic number, because the mean of its divisors is an integer number (540592353).

Almost surely, 2^8611881198 is an apocalyptic number.

8611881198 is an abundant number, since it is smaller than the sum of its proper divisors (8687074098).

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

8611881198 is a wasteful number, since it uses less digits than its factorization.

8611881198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948.

The product of its digits is 221184, while the sum is 51.

The square root of 8611881198 is about 92800.2219717173. The cubic root of 8611881198 is about 2049.7426762476.

The spelling of 8611881198 in words is "eight billion, six hundred eleven million, eight hundred eighty-one thousand, one hundred ninety-eight".