9779627663 has 8 divisors (see below), whose sum is σ = 10533397728. Its totient is φ = 9026070624.

The previous prime is 9779627651. The next prime is 9779627713. The reversal of 9779627663 is 3667269779.

9779627663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 98892²-1.

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

It is a cyclic number.

It is not a de Polignac number, because 9779627663 - 2¹⁴ = 9779611279 is a prime.

It is a super-2 number, since 2×9779627663² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9779627596 and 9779627605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9779627603) 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, 49445 + ... + 148337.

It is an arithmetic number, because the mean of its divisors is an integer number (1316674716).

Almost surely, 2^9779627663 is an apocalyptic number.

9779627663 is a deficient number, since it is larger than the sum of its proper divisors (753770065).

9779627663 is a wasteful number, since it uses less digits than its factorization.

9779627663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106513.

The product of its digits is 36006768, while the sum is 62.

The square root of 9779627663 is about 98891.9999949440. Note that the first 5 decimals coincide. The cubic root of 9779627663 is about 2138.4910653654.

The spelling of 9779627663 in words is "nine billion, seven hundred seventy-nine million, six hundred twenty-seven thousand, six hundred sixty-three".