7475575979 has 2 divisors, whose sum is σ = 7475575980. Its totient is φ = 7475575978.

The previous prime is 7475575963. The next prime is 7475575993. The reversal of 7475575979 is 9795755747.

It is a strong prime.

It is an emirp because it is prime and its reverse (9795755747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7475575979 - 2⁴ = 7475575963 is a prime.

It is not a weakly prime, because it can be changed into another prime (7475575579) 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, 3737787989 + 3737787990.

It is an arithmetic number, because the mean of its divisors is an integer number (3737787990).

Almost surely, 2^7475575979 is an apocalyptic number.

7475575979 is a deficient number, since it is larger than the sum of its proper divisors (1).

7475575979 is an equidigital number, since it uses as much as digits as its factorization.

7475575979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97240500, while the sum is 65.

The square root of 7475575979 is about 86461.4132373511. The cubic root of 7475575979 is about 1955.3066918985.

The spelling of 7475575979 in words is "seven billion, four hundred seventy-five million, five hundred seventy-five thousand, nine hundred seventy-nine".