12775167538 has 8 divisors (see below), whose sum is σ = 21900287232. Its totient is φ = 5475071796.

The previous prime is 12775167481. The next prime is 12775167539. The reversal of 12775167538 is 83576157721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12775167539) 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 3 ways as a sum of consecutive naturals, for example, 456255970 + ... + 456255997.

It is an arithmetic number, because the mean of its divisors is an integer number (2737535904).

Almost surely, 2^12775167538 is an apocalyptic number.

12775167538 is a deficient number, since it is larger than the sum of its proper divisors (9125119694).

12775167538 is an equidigital number, since it uses as much as digits as its factorization.

12775167538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912511976.

The product of its digits is 2469600, while the sum is 52.

The spelling of 12775167538 in words is "twelve billion, seven hundred seventy-five million, one hundred sixty-seven thousand, five hundred thirty-eight".