11722277847 has 32 divisors (see below), whose sum is σ = 18047969280. Its totient is φ = 6629182560.

The previous prime is 11722277821. The next prime is 11722277887. The reversal of 11722277847 is 74877222711.

It is not a de Polignac number, because 11722277847 - 2⁷ = 11722277719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11722277796 and 11722277805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722277807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1037008 + ... + 1048250.

It is an arithmetic number, because the mean of its divisors is an integer number (563999040).

Almost surely, 2^11722277847 is an apocalyptic number.

11722277847 is a deficient number, since it is larger than the sum of its proper divisors (6325691433).

11722277847 is a wasteful number, since it uses less digits than its factorization.

11722277847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11763.

The product of its digits is 614656, while the sum is 48.

The spelling of 11722277847 in words is "eleven billion, seven hundred twenty-two million, two hundred seventy-seven thousand, eight hundred forty-seven".