13277625805 has 16 divisors (see below), whose sum is σ = 16254358704. Its totient is φ = 10409817600.

The previous prime is 13277625799. The next prime is 13277625887. The reversal of 13277625805 is 50852677231.

It can be written as a sum of positive squares in 8 ways, for example, as 748405449 + 12529220356 = 27357^2 + 111934^2 .

It is not a de Polignac number, because 13277625805 - 2⁹ = 13277625293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58546 + ... + 173155.

It is an arithmetic number, because the mean of its divisors is an integer number (1015897419).

Almost surely, 2^13277625805 is an apocalyptic number.

It is an amenable number.

13277625805 is a deficient number, since it is larger than the sum of its proper divisors (2976732899).

13277625805 is a wasteful number, since it uses less digits than its factorization.

13277625805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231936.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 13277625805 in words is "thirteen billion, two hundred seventy-seven million, six hundred twenty-five thousand, eight hundred five".