1347488705077 has 4 divisors (see below), whose sum is σ = 1347888201100. Its totient is φ = 1347089209056.

The previous prime is 1347488705071. The next prime is 1347488705113. The reversal of 1347488705077 is 7705078847431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 832207360516 + 515281344561 = 912254^2 + 717831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1347488705077 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 (1347488705071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199742952 + ... + 199749697.

It is an arithmetic number, because the mean of its divisors is an integer number (336972050275).

Almost surely, 2^{1347488705077} is an apocalyptic number.

It is an amenable number.

1347488705077 is a deficient number, since it is larger than the sum of its proper divisors (399496023).

1347488705077 is an equidigital number, since it uses as much as digits as its factorization.

1347488705077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399496022.

The product of its (nonzero) digits is 36879360, while the sum is 61.

The spelling of 1347488705077 in words is "one trillion, three hundred forty-seven billion, four hundred eighty-eight million, seven hundred five thousand, seventy-seven".