7875448579 has 2 divisors, whose sum is σ = 7875448580. Its totient is φ = 7875448578.

The previous prime is 7875448507. The next prime is 7875448591. The reversal of 7875448579 is 9758445787.

It is a strong prime.

It is an emirp because it is prime and its reverse (9758445787) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7875448579 - 2¹³ = 7875440387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7875448579.

It is not a weakly prime, because it can be changed into another prime (7845448579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937724289 + 3937724290.

It is an arithmetic number, because the mean of its divisors is an integer number (3937724290).

Almost surely, 2^7875448579 is an apocalyptic number.

7875448579 is a deficient number, since it is larger than the sum of its proper divisors (1).

7875448579 is an equidigital number, since it uses as much as digits as its factorization.

7875448579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79027200, while the sum is 64.

The square root of 7875448579 is about 88743.7241668390. The cubic root of 7875448579 is about 1989.5663793474.

The spelling of 7875448579 in words is "seven billion, eight hundred seventy-five million, four hundred forty-eight thousand, five hundred seventy-nine".