8977447799 has 2 divisors, whose sum is σ = 8977447800. Its totient is φ = 8977447798.

The previous prime is 8977447793. The next prime is 8977447811. The reversal of 8977447799 is 9977447798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8977447799 - 2²⁸ = 8709012343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8977447793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4488723899 + 4488723900.

It is an arithmetic number, because the mean of its divisors is an integer number (4488723900).

Almost surely, 2^8977447799 is an apocalyptic number.

8977447799 is a deficient number, since it is larger than the sum of its proper divisors (1).

8977447799 is an equidigital number, since it uses as much as digits as its factorization.

8977447799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224042112, while the sum is 71.

The square root of 8977447799 is about 94749.3947157448. The cubic root of 8977447799 is about 2078.3449450569.

Subtracting 8977447799 from its reverse (9977447798), we obtain a palindrome (999999999).

The spelling of 8977447799 in words is "eight billion, nine hundred seventy-seven million, four hundred forty-seven thousand, seven hundred ninety-nine".