9775775051 has 4 divisors (see below), whose sum is σ = 11172314352. Its totient is φ = 8379235752.

The previous prime is 9775775033. The next prime is 9775775059. The reversal of 9775775051 is 1505775779.

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 9775775051 - 2¹⁴ = 9775758667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9775774984 and 9775775002.

It is not an unprimeable number, because it can be changed into a prime (9775775059) 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, 698269640 + ... + 698269653.

It is an arithmetic number, because the mean of its divisors is an integer number (2793078588).

Almost surely, 2^9775775051 is an apocalyptic number.

9775775051 is a deficient number, since it is larger than the sum of its proper divisors (1396539301).

9775775051 is a wasteful number, since it uses less digits than its factorization.

9775775051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396539300.

The product of its (nonzero) digits is 2701125, while the sum is 53.

The square root of 9775775051 is about 98872.5191901167. The cubic root of 9775775051 is about 2138.2102142352.

The spelling of 9775775051 in words is "nine billion, seven hundred seventy-five million, seven hundred seventy-five thousand, fifty-one".