119397229778 has 6 divisors (see below), whose sum is σ = 179096577669. Its totient is φ = 59698370556.

The previous prime is 119397229753. The next prime is 119397229801. The reversal of 119397229778 is 877922793911.

It can be written as a sum of positive squares in 2 ways, for example, as 117753981409 + 1643248369 = 343153^2 + 40537^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=244333.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 366500 + ... + 610832.

Almost surely, 2^119397229778 is an apocalyptic number.

119397229778 is a deficient number, since it is larger than the sum of its proper divisors (59699347891).

119397229778 is an frugal number, since it uses more digits than its factorization.

119397229778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488668 (or 244335 counting only the distinct ones).

The product of its digits is 24004512, while the sum is 65.

The spelling of 119397229778 in words is "one hundred nineteen billion, three hundred ninety-seven million, two hundred twenty-nine thousand, seven hundred seventy-eight".