13072108270777 has 2 divisors, whose sum is σ = 13072108270778. Its totient is φ = 13072108270776.

The previous prime is 13072108270769. The next prime is 13072108270789. The reversal of 13072108270777 is 77707280127031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7577847278521 + 5494260992256 = 2752789^2 + 2343984^2 .

It is a cyclic number.

It is not a de Polignac number, because 13072108270777 - 2³ = 13072108270769 is a prime.

It is not a weakly prime, because it can be changed into another prime (13072108270747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6536054135388 + 6536054135389.

It is an arithmetic number, because the mean of its divisors is an integer number (6536054135389).

Almost surely, 2^{13072108270777} is an apocalyptic number.

It is an amenable number.

13072108270777 is a deficient number, since it is larger than the sum of its proper divisors (1).

13072108270777 is an equidigital number, since it uses as much as digits as its factorization.

13072108270777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1613472, while the sum is 52.

The spelling of 13072108270777 in words is "thirteen trillion, seventy-two billion, one hundred eight million, two hundred seventy thousand, seven hundred seventy-seven".