117449780797 has 2 divisors, whose sum is σ = 117449780798. Its totient is φ = 117449780796.

The previous prime is 117449780743. The next prime is 117449780839. The reversal of 117449780797 is 797087944711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91197356121 + 26252424676 = 301989^2 + 162026^2 .

It is a cyclic number.

It is not a de Polignac number, because 117449780797 - 2²⁷ = 117315563069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117449780737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58724890398 + 58724890399.

It is an arithmetic number, because the mean of its divisors is an integer number (58724890399).

Almost surely, 2^117449780797 is an apocalyptic number.

It is an amenable number.

117449780797 is a deficient number, since it is larger than the sum of its proper divisors (1).

117449780797 is an equidigital number, since it uses as much as digits as its factorization.

117449780797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24893568, while the sum is 64.

The spelling of 117449780797 in words is "one hundred seventeen billion, four hundred forty-nine million, seven hundred eighty thousand, seven hundred ninety-seven".