12777043583 has 4 divisors (see below), whose sum is σ = 13528634400. Its totient is φ = 12025452768.

The previous prime is 12777043567. The next prime is 12777043589. The reversal of 12777043583 is 38534077721.

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 12777043583 - 2⁴ = 12777043567 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 (12777043589) 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, 375795383 + ... + 375795416.

It is an arithmetic number, because the mean of its divisors is an integer number (3382158600).

Almost surely, 2^12777043583 is an apocalyptic number.

12777043583 is a deficient number, since it is larger than the sum of its proper divisors (751590817).

12777043583 is an equidigital number, since it uses as much as digits as its factorization.

12777043583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751590816.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 12777043583 in words is "twelve billion, seven hundred seventy-seven million, forty-three thousand, five hundred eighty-three".