9877513 has 2 divisors, whose sum is σ = 9877514. Its totient is φ = 9877512.

The previous prime is 9877507. The next prime is 9877523. The reversal of 9877513 is 3157789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7795264 + 2082249 = 2792^2 + 1443^2 .

It is a cyclic number.

It is not a de Polignac number, because 9877513 - 2⁵ = 9877481 is a prime.

It is not a weakly prime, because it can be changed into another prime (9877523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4938756 + 4938757.

It is an arithmetic number, because the mean of its divisors is an integer number (4938757).

Almost surely, 2^9877513 is an apocalyptic number.

It is an amenable number.

9877513 is a deficient number, since it is larger than the sum of its proper divisors (1).

9877513 is an equidigital number, since it uses as much as digits as its factorization.

9877513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 40.

The square root of 9877513 is about 3142.8510941500. The cubic root of 9877513 is about 214.5602187647.

The spelling of 9877513 in words is "nine million, eight hundred seventy-seven thousand, five hundred thirteen".