7879422437 has 2 divisors, whose sum is σ = 7879422438. Its totient is φ = 7879422436.

The previous prime is 7879422413. The next prime is 7879422443. The reversal of 7879422437 is 7342249787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5397987841 + 2481434596 = 73471^2 + 49814^2 .

It is an emirp because it is prime and its reverse (7342249787) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7879422437 - 2¹⁰ = 7879421413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7879422407) 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, 3939711218 + 3939711219.

It is an arithmetic number, because the mean of its divisors is an integer number (3939711219).

Almost surely, 2^7879422437 is an apocalyptic number.

It is an amenable number.

7879422437 is a deficient number, since it is larger than the sum of its proper divisors (1).

7879422437 is an equidigital number, since it uses as much as digits as its factorization.

7879422437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4741632, while the sum is 53.

The square root of 7879422437 is about 88766.1108588182. The cubic root of 7879422437 is about 1989.9009602823.

The spelling of 7879422437 in words is "seven billion, eight hundred seventy-nine million, four hundred twenty-two thousand, four hundred thirty-seven".