12277785904 has 20 divisors (see below), whose sum is σ = 24114078376. Its totient is φ = 6054797952.

The previous prime is 12277785881. The next prime is 12277785907. The reversal of 12277785904 is 40958777221.

It is a super-2 number, since 2×12277785904² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12277785907) 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, 5254734 + ... + 5257069.

Almost surely, 2^12277785904 is an apocalyptic number.

It is an amenable number.

12277785904 is a deficient number, since it is larger than the sum of its proper divisors (11836292472).

12277785904 is a wasteful number, since it uses less digits than its factorization.

12277785904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10511884 (or 10511878 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 12277785904 in words is "twelve billion, two hundred seventy-seven million, seven hundred eighty-five thousand, nine hundred four".