13444446888877 has 2 divisors, whose sum is σ = 13444446888878. Its totient is φ = 13444446888876.

The previous prime is 13444446888839. The next prime is 13444446888913. The reversal of 13444446888877 is 77888864444431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12299848608996 + 1144598279881 = 3507114^2 + 1069859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13444446888877 is a prime.

It is a super-2 number, since 2×13444446888877² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13444446828877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722223444438 + 6722223444439.

It is an arithmetic number, because the mean of its divisors is an integer number (6722223444439).

Almost surely, 2^{13444446888877} is an apocalyptic number.

It is an amenable number.

13444446888877 is a deficient number, since it is larger than the sum of its proper divisors (1).

13444446888877 is an equidigital number, since it uses as much as digits as its factorization.

13444446888877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3699376128, while the sum is 76.

The spelling of 13444446888877 in words is "thirteen trillion, four hundred forty-four billion, four hundred forty-six million, eight hundred eighty-eight thousand, eight hundred seventy-seven".