8391096479 has 2 divisors, whose sum is σ = 8391096480. Its totient is φ = 8391096478.

The previous prime is 8391096473. The next prime is 8391096563. The reversal of 8391096479 is 9746901938.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8391096479 - 2⁸ = 8391096223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8391096473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4195548239 + 4195548240.

It is an arithmetic number, because the mean of its divisors is an integer number (4195548240).

Almost surely, 2^8391096479 is an apocalyptic number.

8391096479 is a deficient number, since it is larger than the sum of its proper divisors (1).

8391096479 is an equidigital number, since it uses as much as digits as its factorization.

8391096479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 8391096479 is about 91602.9283320135. The cubic root of 8391096479 is about 2032.0742449383.

The spelling of 8391096479 in words is "eight billion, three hundred ninety-one million, ninety-six thousand, four hundred seventy-nine".