9772408811 has 8 divisors (see below), whose sum is σ = 10663190784. Its totient is φ = 8882023720.

The previous prime is 9772408799. The next prime is 9772408817. The reversal of 9772408811 is 1188042779.

It is a happy number.

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 9772408811 - 2⁶ = 9772408747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9772408817) 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, 46511 + ... + 147336.

It is an arithmetic number, because the mean of its divisors is an integer number (1332898848).

Almost surely, 2^9772408811 is an apocalyptic number.

9772408811 is a deficient number, since it is larger than the sum of its proper divisors (890781973).

9772408811 is a wasteful number, since it uses less digits than its factorization.

9772408811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198441.

The product of its (nonzero) digits is 225792, while the sum is 47.

The square root of 9772408811 is about 98855.4945918536. The cubic root of 9772408811 is about 2137.9647586732.

The spelling of 9772408811 in words is "nine billion, seven hundred seventy-two million, four hundred eight thousand, eight hundred eleven".