9479889799 has 2 divisors, whose sum is σ = 9479889800. Its totient is φ = 9479889798.

The previous prime is 9479889791. The next prime is 9479889827. The reversal of 9479889799 is 9979889749.

It is a weak prime.

It is an emirp because it is prime and its reverse (9979889749) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9479889799 - 2³ = 9479889791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9479889791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4739944899 + 4739944900.

It is an arithmetic number, because the mean of its divisors is an integer number (4739944900).

Almost surely, 2^9479889799 is an apocalyptic number.

9479889799 is a deficient number, since it is larger than the sum of its proper divisors (1).

9479889799 is an equidigital number, since it uses as much as digits as its factorization.

9479889799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740710656, while the sum is 79.

The square root of 9479889799 is about 97364.7256402441. The cubic root of 9479889799 is about 2116.4162931524.

The spelling of 9479889799 in words is "nine billion, four hundred seventy-nine million, eight hundred eighty-nine thousand, seven hundred ninety-nine".