9617487487 has 4 divisors (see below), whose sum is σ = 9617696800. Its totient is φ = 9617278176.

The previous prime is 9617487479. The next prime is 9617487497. The reversal of 9617487487 is 7847847169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7847847169 = 397 ⋅19767877.

It is a cyclic number.

It is not a de Polignac number, because 9617487487 - 2³ = 9617487479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9617487497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2487 + ... + 138712.

It is an arithmetic number, because the mean of its divisors is an integer number (2404424200).

Almost surely, 2^9617487487 is an apocalyptic number.

9617487487 is a deficient number, since it is larger than the sum of its proper divisors (209313).

9617487487 is a wasteful number, since it uses less digits than its factorization.

9617487487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209312.

The product of its digits is 18966528, while the sum is 61.

The square root of 9617487487 is about 98068.7895663039. The cubic root of 9617487487 is about 2126.6068574973.

The spelling of 9617487487 in words is "nine billion, six hundred seventeen million, four hundred eighty-seven thousand, four hundred eighty-seven".