9780968536 has 8 divisors (see below), whose sum is σ = 18339316020. Its totient is φ = 4890484264.

The previous prime is 9780968521. The next prime is 9780968557. The reversal of 9780968536 is 6358690879.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611310526 + ... + 611310541.

Almost surely, 2^9780968536 is an apocalyptic number.

It is an amenable number.

9780968536 is a deficient number, since it is larger than the sum of its proper divisors (8558347484).

9780968536 is a wasteful number, since it uses less digits than its factorization.

9780968536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222621073 (or 1222621069 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 61.

The square root of 9780968536 is about 98898.7792442354. The cubic root of 9780968536 is about 2138.5887962126.

The spelling of 9780968536 in words is "nine billion, seven hundred eighty million, nine hundred sixty-eight thousand, five hundred thirty-six".