9948326977 has 2 divisors, whose sum is σ = 9948326978. Its totient is φ = 9948326976.

The previous prime is 9948326939. The next prime is 9948326989. The reversal of 9948326977 is 7796238499.

9948326977 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9815063041 + 133263936 = 99071^2 + 11544^2 .

It is a cyclic number.

It is not a de Polignac number, because 9948326977 - 2¹¹ = 9948324929 is a prime.

It is not a weakly prime, because it can be changed into another prime (9048326977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4974163488 + 4974163489.

It is an arithmetic number, because the mean of its divisors is an integer number (4974163489).

Almost surely, 2^9948326977 is an apocalyptic number.

It is an amenable number.

9948326977 is a deficient number, since it is larger than the sum of its proper divisors (1).

9948326977 is an equidigital number, since it uses as much as digits as its factorization.

9948326977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41150592, while the sum is 64.

The square root of 9948326977 is about 99741.3002572154. The cubic root of 9948326977 is about 2150.7174081111.

The spelling of 9948326977 in words is "nine billion, nine hundred forty-eight million, three hundred twenty-six thousand, nine hundred seventy-seven".