13823872477 has 2 divisors, whose sum is σ = 13823872478. Its totient is φ = 13823872476.

The previous prime is 13823872429. The next prime is 13823872487. The reversal of 13823872477 is 77427832831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13787221561 + 36650916 = 117419^2 + 6054^2 .

It is a cyclic number.

It is not a de Polignac number, because 13823872477 - 2²⁷ = 13689654749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13823872417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6911936238 + 6911936239.

It is an arithmetic number, because the mean of its divisors is an integer number (6911936239).

Almost surely, 2^13823872477 is an apocalyptic number.

It is an amenable number.

13823872477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13823872477 is an equidigital number, since it uses as much as digits as its factorization.

13823872477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3161088, while the sum is 52.

The spelling of 13823872477 in words is "thirteen billion, eight hundred twenty-three million, eight hundred seventy-two thousand, four hundred seventy-seven".