9769982976 has 132 divisors (see below), whose sum is σ = 30381033592. Its totient is φ = 3006111744.

The previous prime is 9769982899. The next prime is 9769982983. The reversal of 9769982976 is 6792899679.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79035 + ... + 160581.

Almost surely, 2^9769982976 is an apocalyptic number.

9769982976 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9769982976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15190516796).

9769982976 is an abundant number, since it is smaller than the sum of its proper divisors (20611050616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9769982976 is a wasteful number, since it uses less digits than its factorization.

9769982976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81586 (or 81565 counting only the distinct ones).

The product of its digits is 185177664, while the sum is 72.

The square root of 9769982976 is about 98843.2242290791. The cubic root of 9769982976 is about 2137.7878395178.

The spelling of 9769982976 in words is "nine billion, seven hundred sixty-nine million, nine hundred eighty-two thousand, nine hundred seventy-six".