12772616467 has 4 divisors (see below), whose sum is σ = 13755125440. Its totient is φ = 11790107496.

The previous prime is 12772616447. The next prime is 12772616503. The reversal of 12772616467 is 76461627721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76461627721 = 47 ⋅1626843143.

It is a cyclic number.

It is not a de Polignac number, because 12772616467 - 2¹¹ = 12772614419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12772616467.

It is not an unprimeable number, because it can be changed into a prime (12772616407) 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, 491254467 + ... + 491254492.

It is an arithmetic number, because the mean of its divisors is an integer number (3438781360).

Almost surely, 2^12772616467 is an apocalyptic number.

12772616467 is a deficient number, since it is larger than the sum of its proper divisors (982508973).

12772616467 is an equidigital number, since it uses as much as digits as its factorization.

12772616467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982508972.

The product of its digits is 1185408, while the sum is 49.

The spelling of 12772616467 in words is "twelve billion, seven hundred seventy-two million, six hundred sixteen thousand, four hundred sixty-seven".