1173882378247 has 2 divisors, whose sum is σ = 1173882378248. Its totient is φ = 1173882378246.

The previous prime is 1173882378169. The next prime is 1173882378257. The reversal of 1173882378247 is 7428732883711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1173882378247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1173882378257) 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 as a sum of consecutive naturals, namely, 586941189123 + 586941189124.

It is an arithmetic number, because the mean of its divisors is an integer number (586941189124).

Almost surely, 2^{1173882378247} is an apocalyptic number.

1173882378247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173882378247 is an equidigital number, since it uses as much as digits as its factorization.

1173882378247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25288704, while the sum is 61.

The spelling of 1173882378247 in words is "one trillion, one hundred seventy-three billion, eight hundred eighty-two million, three hundred seventy-eight thousand, two hundred forty-seven".