12077295784 has 32 divisors (see below), whose sum is σ = 22968754920. Its totient is φ = 5952393216.

The previous prime is 12077295781. The next prime is 12077295803. The reversal of 12077295784 is 48759277021.

It can be written as a sum of positive squares in 4 ways, for example, as 10373422500 + 1703873284 = 101850^2 + 41278^2 .

It is a super-2 number, since 2×12077295784² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12077295781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172802 + ... + 1183054.

Almost surely, 2^12077295784 is an apocalyptic number.

It is an amenable number.

12077295784 is a deficient number, since it is larger than the sum of its proper divisors (10891459136).

12077295784 is a wasteful number, since it uses less digits than its factorization.

12077295784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12349 (or 12345 counting only the distinct ones).

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

The spelling of 12077295784 in words is "twelve billion, seventy-seven million, two hundred ninety-five thousand, seven hundred eighty-four".