9770228686 has 4 divisors (see below), whose sum is σ = 14655343032. Its totient is φ = 4885114342.

The previous prime is 9770228683. The next prime is 9770228707. The reversal of 9770228686 is 6868220779.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9770228683) 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 as a sum of consecutive naturals, namely, 2442557170 + ... + 2442557173.

It is an arithmetic number, because the mean of its divisors is an integer number (3663835758).

Almost surely, 2^9770228686 is an apocalyptic number.

9770228686 is a deficient number, since it is larger than the sum of its proper divisors (4885114346).

9770228686 is a wasteful number, since it uses less digits than its factorization.

9770228686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4885114345.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The square root of 9770228686 is about 98844.4671491531. The cubic root of 9770228686 is about 2137.8057607857.

The spelling of 9770228686 in words is "nine billion, seven hundred seventy million, two hundred twenty-eight thousand, six hundred eighty-six".