119727998987 has 2 divisors, whose sum is σ = 119727998988. Its totient is φ = 119727998986.

The previous prime is 119727998983. The next prime is 119727999023. The reversal of 119727998987 is 789899727911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 119727998987 - 2² = 119727998983 is a prime.

It is not a weakly prime, because it can be changed into another prime (119727998983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59863999493 + 59863999494.

It is an arithmetic number, because the mean of its divisors is an integer number (59863999494).

Almost surely, 2^119727998987 is an apocalyptic number.

119727998987 is a deficient number, since it is larger than the sum of its proper divisors (1).

119727998987 is an equidigital number, since it uses as much as digits as its factorization.

119727998987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288054144, while the sum is 77.

The spelling of 119727998987 in words is "one hundred nineteen billion, seven hundred twenty-seven million, nine hundred ninety-eight thousand, nine hundred eighty-seven".