12761773475 has 24 divisors (see below), whose sum is σ = 17441206608. Its totient is φ = 9185587200.

The previous prime is 12761773471. The next prime is 12761773579. The reversal of 12761773475 is 57437716721.

It is not a de Polignac number, because 12761773475 - 2² = 12761773471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12761773471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212534 + ... + 265883.

It is an arithmetic number, because the mean of its divisors is an integer number (726716942).

Almost surely, 2^12761773475 is an apocalyptic number.

12761773475 is a deficient number, since it is larger than the sum of its proper divisors (4679433133).

12761773475 is a wasteful number, since it uses less digits than its factorization.

12761773475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478535 (or 478530 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 50.

The spelling of 12761773475 in words is "twelve billion, seven hundred sixty-one million, seven hundred seventy-three thousand, four hundred seventy-five".