9777230845 has 16 divisors (see below), whose sum is σ = 12042581040. Its totient is φ = 7615936000.

The previous prime is 9777230831. The next prime is 9777230849. The reversal of 9777230845 is 5480327779.

It can be written as a sum of positive squares in 8 ways, for example, as 149303961 + 9627926884 = 12219^2 + 98122^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9777230845 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9777230792 and 9777230801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9777230849) 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 15 ways as a sum of consecutive naturals, for example, 57495 + ... + 151195.

It is an arithmetic number, because the mean of its divisors is an integer number (752661315).

Almost surely, 2^9777230845 is an apocalyptic number.

It is an amenable number.

9777230845 is a deficient number, since it is larger than the sum of its proper divisors (2265350195).

9777230845 is a wasteful number, since it uses less digits than its factorization.

9777230845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94256.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The square root of 9777230845 is about 98879.8808909072. The cubic root of 9777230845 is about 2138.3163486706.

The spelling of 9777230845 in words is "nine billion, seven hundred seventy-seven million, two hundred thirty thousand, eight hundred forty-five".