198277010000 has 50 divisors (see below), whose sum is σ = 480048493122. Its totient is φ = 79310800000.

The previous prime is 198277009913. The next prime is 198277010017. The reversal of 198277010000 is 10772891.

It can be written as a sum of positive squares in 5 ways, for example, as 46295546896 + 151981463104 = 215164^2 + 389848^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9903851 + ... + 9923850.

Almost surely, 2^198277010000 is an apocalyptic number.

198277010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198277010000 is an abundant number, since it is smaller than the sum of its proper divisors (281771483122).

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

198277010000 is an equidigital number, since it uses as much as digits as its factorization.

198277010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19827729 (or 19827708 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 35.

Adding to 198277010000 its reverse (10772891), we get a palindrome (198287782891).

The spelling of 198277010000 in words is "one hundred ninety-eight billion, two hundred seventy-seven million, ten thousand".