9656778529930 has 32 divisors (see below), whose sum is σ = 19865662202880. Its totient is φ = 3310847291520.

The previous prime is 9656778529873. The next prime is 9656778530017. The reversal of 9656778529930 is 399258776569.

It is a super-2 number, since 2×9656778529930² (a number of 27 digits) contains 22 as substring.

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 in 15 ways as a sum of consecutive naturals, for example, 4015975 + ... + 5953285.

It is an arithmetic number, because the mean of its divisors is an integer number (620801943840).

Almost surely, 2^{9656778529930} is an apocalyptic number.

9656778529930 is an abundant number, since it is smaller than the sum of its proper divisors (10208883672950).

9656778529930 is a wasteful number, since it uses less digits than its factorization.

9656778529930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008534.

The product of its (nonzero) digits is 1543147200, while the sum is 76.

The spelling of 9656778529930 in words is "nine trillion, six hundred fifty-six billion, seven hundred seventy-eight million, five hundred twenty-nine thousand, nine hundred thirty".