13977234640996 has 27 divisors (see below), whose sum is σ = 26886119887417. Its totient is φ = 6353251087040.

The previous prime is 13977234640937. The next prime is 13977234641047. The reversal of 13977234640996 is 69904643277931.

The square root of 13977234640996 is 3738614.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6159976524900 + 7817258116096 = 2481930^2 + 2795936^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 82164540 + ... + 82334476.

Almost surely, 2^{13977234640996} is an apocalyptic number.

13977234640996 is the 3738614-th square number.

It is an amenable number.

13977234640996 is a deficient number, since it is larger than the sum of its proper divisors (12908885246421).

13977234640996 is an frugal number, since it uses more digits than its factorization.

13977234640996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339900 (or 169950 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 70.

The spelling of 13977234640996 in words is "thirteen trillion, nine hundred seventy-seven billion, two hundred thirty-four million, six hundred forty thousand, nine hundred ninety-six".