9887057613 has 16 divisors (see below), whose sum is σ = 14798501760. Its totient is φ = 6523417728.

The previous prime is 9887057597. The next prime is 9887057689. The reversal of 9887057613 is 3167507889.

It is not a de Polignac number, because 9887057613 - 2⁴ = 9887057597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9887057613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9887057513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1884945 + ... + 1890182.

It is an arithmetic number, because the mean of its divisors is an integer number (924906360).

Almost surely, 2^9887057613 is an apocalyptic number.

It is an amenable number.

9887057613 is a deficient number, since it is larger than the sum of its proper divisors (4911444147).

9887057613 is a wasteful number, since it uses less digits than its factorization.

9887057613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775233 (or 3775227 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The square root of 9887057613 is about 99433.6844987653. The cubic root of 9887057613 is about 2146.2930616159.

The spelling of 9887057613 in words is "nine billion, eight hundred eighty-seven million, fifty-seven thousand, six hundred thirteen".