8494724879 has 2 divisors, whose sum is σ = 8494724880. Its totient is φ = 8494724878.

The previous prime is 8494724807. The next prime is 8494724881. The reversal of 8494724879 is 9784274948.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8494724879 - 2¹² = 8494720783 is a prime.

Together with 8494724881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8494724179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4247362439 + 4247362440.

It is an arithmetic number, because the mean of its divisors is an integer number (4247362440).

Almost surely, 2^8494724879 is an apocalyptic number.

8494724879 is a deficient number, since it is larger than the sum of its proper divisors (1).

8494724879 is an equidigital number, since it uses as much as digits as its factorization.

8494724879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32514048, while the sum is 62.

The square root of 8494724879 is about 92166.8317726068. The cubic root of 8494724879 is about 2040.4052827197.

The spelling of 8494724879 in words is "eight billion, four hundred ninety-four million, seven hundred twenty-four thousand, eight hundred seventy-nine".