9928552663 has 4 divisors (see below), whose sum is σ = 9928762960. Its totient is φ = 9928342368.

The previous prime is 9928552649. The next prime is 9928552679. The reversal of 9928552663 is 3662558299.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9928552663 - 2²⁵ = 9894998231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9928552603) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2206 + ... + 140932.

It is an arithmetic number, because the mean of its divisors is an integer number (2482190740).

Almost surely, 2^9928552663 is an apocalyptic number.

9928552663 is a deficient number, since it is larger than the sum of its proper divisors (210297).

9928552663 is a wasteful number, since it uses less digits than its factorization.

9928552663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210296.

The product of its digits is 6998400, while the sum is 55.

The square root of 9928552663 is about 99642.1229350318. The cubic root of 9928552663 is about 2149.2914674842.

The spelling of 9928552663 in words is "nine billion, nine hundred twenty-eight million, five hundred fifty-two thousand, six hundred sixty-three".