13777371080744 has 8 divisors (see below), whose sum is σ = 25832570776410. Its totient is φ = 6888685540368.

The previous prime is 13777371080731. The next prime is 13777371080819. The reversal of 13777371080744 is 44708017377731.

It can be written as a sum of positive squares in only one way, i.e., 9564360316900 + 4213010763844 = 3092630^2 + 2052562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861085692539 + ... + 861085692554.

Almost surely, 2^{13777371080744} is an apocalyptic number.

It is an amenable number.

13777371080744 is a deficient number, since it is larger than the sum of its proper divisors (12055199695666).

13777371080744 is a wasteful number, since it uses less digits than its factorization.

13777371080744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722171385099 (or 1722171385095 counting only the distinct ones).

The product of its (nonzero) digits is 19361664, while the sum is 59.

The spelling of 13777371080744 in words is "thirteen trillion, seven hundred seventy-seven billion, three hundred seventy-one million, eighty thousand, seven hundred forty-four".