12277755836 has 24 divisors (see below), whose sum is σ = 21565346880. Its totient is φ = 6116270400.

The previous prime is 12277755821. The next prime is 12277755887. The reversal of 12277755836 is 63855777221.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1302701 + ... + 1312091.

It is an arithmetic number, because the mean of its divisors is an integer number (898556120).

Almost surely, 2^12277755836 is an apocalyptic number.

It is an amenable number.

12277755836 is a deficient number, since it is larger than the sum of its proper divisors (9287591044).

12277755836 is a wasteful number, since it uses less digits than its factorization.

12277755836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10565 (or 10563 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 53.

The spelling of 12277755836 in words is "twelve billion, two hundred seventy-seven million, seven hundred fifty-five thousand, eight hundred thirty-six".