9976655553 has 8 divisors (see below), whose sum is σ = 13318065600. Its totient is φ = 6643174608.

The previous prime is 9976655537. The next prime is 9976655573. The reversal of 9976655553 is 3555566799.

It is a happy number.

9976655553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9976655553 - 2⁴ = 9976655537 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9976655573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1979338 + ... + 1984371.

It is an arithmetic number, because the mean of its divisors is an integer number (1664758200).

Almost surely, 2^9976655553 is an apocalyptic number.

It is an amenable number.

9976655553 is a deficient number, since it is larger than the sum of its proper divisors (3341410047).

9976655553 is a wasteful number, since it uses less digits than its factorization.

9976655553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964551.

The product of its digits is 38272500, while the sum is 60.

The square root of 9976655553 is about 99883.2095649714. The cubic root of 9976655553 is about 2152.7569142477.

The spelling of 9976655553 in words is "nine billion, nine hundred seventy-six million, six hundred fifty-five thousand, five hundred fifty-three".