9774949927 has 2 divisors, whose sum is σ = 9774949928. Its totient is φ = 9774949926.

The previous prime is 9774949913. The next prime is 9774949979. The reversal of 9774949927 is 7299494779.

9774949927 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9774949927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9774949997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4887474963 + 4887474964.

It is an arithmetic number, because the mean of its divisors is an integer number (4887474964).

Almost surely, 2^9774949927 is an apocalyptic number.

9774949927 is a deficient number, since it is larger than the sum of its proper divisors (1).

9774949927 is an equidigital number, since it uses as much as digits as its factorization.

9774949927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72013536, while the sum is 67.

The square root of 9774949927 is about 98868.3464360561. The cubic root of 9774949927 is about 2138.1500540196.

The spelling of 9774949927 in words is "nine billion, seven hundred seventy-four million, nine hundred forty-nine thousand, nine hundred twenty-seven".