7882116461 has 2 divisors, whose sum is σ = 7882116462.
Its totient is φ = 7882116460.
The previous prime is 7882116421. The next prime is 7882116467. The reversal of 7882116461 is 1646112887.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4061640361 + 3820476100 = 63731^2 + 61810^2
It is an emirp because it is prime and its reverse (1646112887) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 7882116461 - 26 = 7882116397 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7882116467) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3941058230 + 3941058231.
It is an arithmetic number, because the mean of its divisors is an integer number (3941058231).
Almost surely, 27882116461 is an apocalyptic number.
It is an amenable number.
7882116461 is a deficient number, since it is larger than the sum of its proper divisors (1).
7882116461 is an equidigital number, since it uses as much as digits as its factorization.
7882116461 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 129024, while the sum is 44.
The square root of 7882116461 is about 88781.2844072443.
The cubic root of 7882116461 is about 1990.1277209844.
The spelling of 7882116461 in words is "seven billion, eight hundred eighty-two million, one hundred sixteen thousand, four hundred sixty-one".