19077448382208 has 144 divisors (see below), whose sum is σ = 56417674569760. Its totient is φ = 6358889816064.

The previous prime is 19077448382207. The next prime is 19077448382219. The reversal of 19077448382208 is 80228384477091.

19077448382208 is a `hidden beast` number, since 1 + 9 + 0 + 7 + 7 + 4 + 48 + 382 + 208 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19077448382203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248634666 + ... + 248711382.

Almost surely, 2^{19077448382208} is an apocalyptic number.

19077448382208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19077448382208 is an abundant number, since it is smaller than the sum of its proper divisors (37340226187552).

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

19077448382208 is an equidigital number, since it uses as much as digits as its factorization.

19077448382208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112719 (or 112699 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 19077448382208 in words is "nineteen trillion, seventy-seven billion, four hundred forty-eight million, three hundred eighty-two thousand, two hundred eight".