1179820627697 has 2 divisors, whose sum is σ = 1179820627698. Its totient is φ = 1179820627696.

The previous prime is 1179820627649. The next prime is 1179820627717. The reversal of 1179820627697 is 7967260289711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 977456504896 + 202364122801 = 988664^2 + 449849^2 .

It is a cyclic number.

It is not a de Polignac number, because 1179820627697 - 2⁸ = 1179820627441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1179820627597) 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, 589910313848 + 589910313849.

It is an arithmetic number, because the mean of its divisors is an integer number (589910313849).

Almost surely, 2^{1179820627697} is an apocalyptic number.

It is an amenable number.

1179820627697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1179820627697 is an equidigital number, since it uses as much as digits as its factorization.

1179820627697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32006016, while the sum is 65.

The spelling of 1179820627697 in words is "one trillion, one hundred seventy-nine billion, eight hundred twenty million, six hundred twenty-seven thousand, six hundred ninety-seven".