9772250522779 has 4 divisors (see below), whose sum is σ = 9799933952376. Its totient is φ = 9744567093184.

The previous prime is 9772250522717. The next prime is 9772250522803.

9772250522779 is nontrivially palindromic in base 10.

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 9772250522779 - 2²⁷ = 9772116305051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9772250522779.

It is not an unprimeable number, because it can be changed into a prime (9772251522779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13841714269 + ... + 13841714974.

It is an arithmetic number, because the mean of its divisors is an integer number (2449983488094).

Almost surely, 2^{9772250522779} is an apocalyptic number.

9772250522779 is a deficient number, since it is larger than the sum of its proper divisors (27683429597).

9772250522779 is a wasteful number, since it uses less digits than its factorization.

9772250522779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27683429596.

The product of its (nonzero) digits is 77792400, while the sum is 64.

The spelling of 9772250522779 in words is "nine trillion, seven hundred seventy-two billion, two hundred fifty million, five hundred twenty-two thousand, seven hundred seventy-nine".