12762770479 has 4 divisors (see below), whose sum is σ = 12886680976. Its totient is φ = 12638859984.

The previous prime is 12762770473. The next prime is 12762770483. The reversal of 12762770479 is 97407726721.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12762770479 - 2³¹ = 10615286831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12762770473) 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, 61955094 + ... + 61955299.

It is an arithmetic number, because the mean of its divisors is an integer number (3221670244).

Almost surely, 2^12762770479 is an apocalyptic number.

12762770479 is a deficient number, since it is larger than the sum of its proper divisors (123910497).

12762770479 is a wasteful number, since it uses less digits than its factorization.

12762770479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123910496.

The product of its (nonzero) digits is 2074464, while the sum is 52.

The spelling of 12762770479 in words is "twelve billion, seven hundred sixty-two million, seven hundred seventy thousand, four hundred seventy-nine".