12776462079 has 4 divisors (see below), whose sum is σ = 17035282776. Its totient is φ = 8517641384.

The previous prime is 12776462059. The next prime is 12776462099. The reversal of 12776462079 is 97026467721.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12776462059) and next prime (12776462099).

It is a cyclic number.

It is not a de Polignac number, because 12776462079 - 2¹¹ = 12776460031 is a prime.

It is a super-2 number, since 2×12776462079² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12776462059) 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, 2129410344 + ... + 2129410349.

It is an arithmetic number, because the mean of its divisors is an integer number (4258820694).

Almost surely, 2^12776462079 is an apocalyptic number.

12776462079 is a deficient number, since it is larger than the sum of its proper divisors (4258820697).

12776462079 is an equidigital number, since it uses as much as digits as its factorization.

12776462079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258820696.

The product of its (nonzero) digits is 1778112, while the sum is 51.

The spelling of 12776462079 in words is "twelve billion, seven hundred seventy-six million, four hundred sixty-two thousand, seventy-nine".