7842474179 has 2 divisors, whose sum is σ = 7842474180. Its totient is φ = 7842474178.

The previous prime is 7842474139. The next prime is 7842474217. The reversal of 7842474179 is 9714742487.

It is a strong prime.

It is an emirp because it is prime and its reverse (9714742487) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7842474179 - 2³² = 3547506883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7842474179.

It is not a weakly prime, because it can be changed into another prime (7842474139) 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, 3921237089 + 3921237090.

It is an arithmetic number, because the mean of its divisors is an integer number (3921237090).

Almost surely, 2^7842474179 is an apocalyptic number.

7842474179 is a deficient number, since it is larger than the sum of its proper divisors (1).

7842474179 is an equidigital number, since it uses as much as digits as its factorization.

7842474179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3161088, while the sum is 53.

The square root of 7842474179 is about 88557.7448843409. The cubic root of 7842474179 is about 1986.7857320981.

The spelling of 7842474179 in words is "seven billion, eight hundred forty-two million, four hundred seventy-four thousand, one hundred seventy-nine".