8481247979 has 2 divisors, whose sum is σ = 8481247980. Its totient is φ = 8481247978.

The previous prime is 8481247919. The next prime is 8481247993. The reversal of 8481247979 is 9797421848.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8481247979 is a prime.

It is not a weakly prime, because it can be changed into another prime (8481247919) 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, 4240623989 + 4240623990.

It is an arithmetic number, because the mean of its divisors is an integer number (4240623990).

Almost surely, 2^8481247979 is an apocalyptic number.

8481247979 is a deficient number, since it is larger than the sum of its proper divisors (1).

8481247979 is an equidigital number, since it uses as much as digits as its factorization.

8481247979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 59.

The square root of 8481247979 is about 92093.6913094486. The cubic root of 8481247979 is about 2039.3256757386.

The spelling of 8481247979 in words is "eight billion, four hundred eighty-one million, two hundred forty-seven thousand, nine hundred seventy-nine".