9877613 has 2 divisors, whose sum is σ = 9877614. Its totient is φ = 9877612.

The previous prime is 9877589. The next prime is 9877619. The reversal of 9877613 is 3167789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7606564 + 2271049 = 2758^2 + 1507^2 .

It is a cyclic number.

It is not a de Polignac number, because 9877613 - 2¹⁰ = 9876589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9877619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4938806 + 4938807.

It is an arithmetic number, because the mean of its divisors is an integer number (4938807).

Almost surely, 2^9877613 is an apocalyptic number.

It is an amenable number.

9877613 is a deficient number, since it is larger than the sum of its proper divisors (1).

9877613 is an equidigital number, since it uses as much as digits as its factorization.

9877613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 41.

The square root of 9877613 is about 3142.8670032313. The cubic root of 9877613 is about 214.5609428319.

It can be divided in two parts, 98776 and 13, that added together give a palindrome (98789).

The spelling of 9877613 in words is "nine million, eight hundred seventy-seven thousand, six hundred thirteen".