13172734365077 has 12 divisors (see below), whose sum is σ = 15495557742540. Its totient is φ = 11164050950976.

The previous prime is 13172734365073. The next prime is 13172734365151. The reversal of 13172734365077 is 77056343727131.

13172734365077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 750486085636 + 12422248279441 = 866306^2 + 3524521^2 .

It is not a de Polignac number, because 13172734365077 - 2² = 13172734365073 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 (13172734365073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1510283918 + ... + 1510292639.

It is an arithmetic number, because the mean of its divisors is an integer number (1291296478545).

Almost surely, 2^{13172734365077} is an apocalyptic number.

It is an amenable number.

13172734365077 is a deficient number, since it is larger than the sum of its proper divisors (2322823377463).

13172734365077 is an equidigital number, since it uses as much as digits as its factorization.

13172734365077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020576660 (or 3020576653 counting only the distinct ones).

The product of its (nonzero) digits is 15558480, while the sum is 56.

The spelling of 13172734365077 in words is "thirteen trillion, one hundred seventy-two billion, seven hundred thirty-four million, three hundred sixty-five thousand, seventy-seven".