119727998947 has 2 divisors, whose sum is σ = 119727998948. Its totient is φ = 119727998946.

The previous prime is 119727998879. The next prime is 119727998969. The reversal of 119727998947 is 749899727911.

It is a strong prime.

It is an emirp because it is prime and its reverse (749899727911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 119727998947 - 2¹⁵ = 119727966179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 119727998947.

It is not a weakly prime, because it can be changed into another prime (119727998987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59863999473 + 59863999474.

It is an arithmetic number, because the mean of its divisors is an integer number (59863999474).

Almost surely, 2^119727998947 is an apocalyptic number.

119727998947 is a deficient number, since it is larger than the sum of its proper divisors (1).

119727998947 is an equidigital number, since it uses as much as digits as its factorization.

119727998947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144027072, while the sum is 73.

The spelling of 119727998947 in words is "one hundred nineteen billion, seven hundred twenty-seven million, nine hundred ninety-eight thousand, nine hundred forty-seven".