198877229441080 has 64 divisors (see below), whose sum is σ = 457114857805440. Its totient is φ = 77837811597312.

The previous prime is 198877229441041. The next prime is 198877229441087. The reversal of 198877229441080 is 80144922778891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198877229441087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6791817 + ... + 21068536.

It is an arithmetic number, because the mean of its divisors is an integer number (7142419653210).

Almost surely, 2^{198877229441080} is an apocalyptic number.

198877229441080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198877229441080 is an abundant number, since it is smaller than the sum of its proper divisors (258237628364360).

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

198877229441080 is a wasteful number, since it uses less digits than its factorization.

198877229441080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27864208 (or 27864204 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 70.

The spelling of 198877229441080 in words is "one hundred ninety-eight trillion, eight hundred seventy-seven billion, two hundred twenty-nine million, four hundred forty-one thousand, eighty".