9777013 has 2 divisors, whose sum is σ = 9777014. Its totient is φ = 9777012.

The previous prime is 9777011. The next prime is 9777017. The reversal of 9777013 is 3107779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9284209 + 492804 = 3047^2 + 702^2 .

It is a cyclic number.

It is not a de Polignac number, because 9777013 - 2¹ = 9777011 is a prime.

Together with 9777011, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9777013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9777011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4888506 + 4888507.

It is an arithmetic number, because the mean of its divisors is an integer number (4888507).

Almost surely, 2^9777013 is an apocalyptic number.

It is an amenable number.

9777013 is a deficient number, since it is larger than the sum of its proper divisors (1).

9777013 is an equidigital number, since it uses as much as digits as its factorization.

9777013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9261, while the sum is 34.

The square root of 9777013 is about 3126.8215491134. The cubic root of 9777013 is about 213.8300467385.

The spelling of 9777013 in words is "nine million, seven hundred seventy-seven thousand, thirteen".