9959400976 has 40 divisors (see below), whose sum is σ = 22114477440. Its totient is φ = 4256408064.

The previous prime is 9959400973. The next prime is 9959400977. The reversal of 9959400976 is 6790049599.

It is a self number, because there is not a number n which added to its sum of digits gives 9959400976.

It is not an unprimeable number, because it can be changed into a prime (9959400973) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 83641 + ... + 164056.

It is an arithmetic number, because the mean of its divisors is an integer number (552861936).

Almost surely, 2^9959400976 is an apocalyptic number.

It is an amenable number.

9959400976 is an abundant number, since it is smaller than the sum of its proper divisors (12155076464).

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

9959400976 is a wasteful number, since it uses less digits than its factorization.

9959400976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248071 (or 248065 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 58.

The square root of 9959400976 is about 99796.7984256008. The cubic root of 9959400976 is about 2151.5151372373.

The spelling of 9959400976 in words is "nine billion, nine hundred fifty-nine million, four hundred thousand, nine hundred seventy-six".