16427822601877 has 2 divisors, whose sum is σ = 16427822601878. Its totient is φ = 16427822601876.

The previous prime is 16427822601863. The next prime is 16427822601919. The reversal of 16427822601877 is 77810622872461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12451822493796 + 3976000108081 = 3528714^2 + 1993991^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16427822601877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16427822601077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8213911300938 + 8213911300939.

It is an arithmetic number, because the mean of its divisors is an integer number (8213911300939).

Almost surely, 2^{16427822601877} is an apocalyptic number.

It is an amenable number.

16427822601877 is a deficient number, since it is larger than the sum of its proper divisors (1).

16427822601877 is an equidigital number, since it uses as much as digits as its factorization.

16427822601877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25288704, while the sum is 61.

The spelling of 16427822601877 in words is "sixteen trillion, four hundred twenty-seven billion, eight hundred twenty-two million, six hundred one thousand, eight hundred seventy-seven".