13303020077 has 2 divisors, whose sum is σ = 13303020078. Its totient is φ = 13303020076.

The previous prime is 13303019999. The next prime is 13303020127. The reversal of 13303020077 is 77002030331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8462896036 + 4840124041 = 91994^2 + 69571^2 .

It is a cyclic number.

It is not a de Polignac number, because 13303020077 - 2¹⁰ = 13303019053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13303020877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651510038 + 6651510039.

It is an arithmetic number, because the mean of its divisors is an integer number (6651510039).

Almost surely, 2^13303020077 is an apocalyptic number.

It is an amenable number.

13303020077 is a deficient number, since it is larger than the sum of its proper divisors (1).

13303020077 is an equidigital number, since it uses as much as digits as its factorization.

13303020077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 26.

The spelling of 13303020077 in words is "thirteen billion, three hundred three million, twenty thousand, seventy-seven".