9775553047 has 8 divisors (see below), whose sum is σ = 10620684144. Its totient is φ = 8943731328.

The previous prime is 9775552999. The next prime is 9775553089. The reversal of 9775553047 is 7403555779.

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 9775553047 - 2¹⁹ = 9775028759 is a prime.

It is a super-2 number, since 2×9775553047² (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 = 9775552985 and 9775553003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9775553647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3325813 + ... + 3328750.

It is an arithmetic number, because the mean of its divisors is an integer number (1327585518).

Almost surely, 2^9775553047 is an apocalyptic number.

9775553047 is a deficient number, since it is larger than the sum of its proper divisors (845131097).

9775553047 is a wasteful number, since it uses less digits than its factorization.

9775553047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6654689.

The product of its (nonzero) digits is 4630500, while the sum is 52.

The square root of 9775553047 is about 98871.3965057640. The cubic root of 9775553047 is about 2138.1940281422.

The spelling of 9775553047 in words is "nine billion, seven hundred seventy-five million, five hundred fifty-three thousand, forty-seven".