12765077752 has 16 divisors (see below), whose sum is σ = 27353738160. Its totient is φ = 5470747584.

The previous prime is 12765077749. The next prime is 12765077761. The reversal of 12765077752 is 25777056721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12765077696 and 12765077705.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 113973853 + ... + 113973964.

It is an arithmetic number, because the mean of its divisors is an integer number (1709608635).

Almost surely, 2^12765077752 is an apocalyptic number.

It is an amenable number.

12765077752 is an abundant number, since it is smaller than the sum of its proper divisors (14588660408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12765077752 is a wasteful number, since it uses less digits than its factorization.

12765077752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227947830 (or 227947826 counting only the distinct ones).

The product of its (nonzero) digits is 1440600, while the sum is 49.

The spelling of 12765077752 in words is "twelve billion, seven hundred sixty-five million, seventy-seven thousand, seven hundred fifty-two".