104443377877 has 2 divisors, whose sum is σ = 104443377878. Its totient is φ = 104443377876.

The previous prime is 104443377839. The next prime is 104443377923. The reversal of 104443377877 is 778773344401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70479099441 + 33964278436 = 265479^2 + 184294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104443377877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104443377817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52221688938 + 52221688939.

It is an arithmetic number, because the mean of its divisors is an integer number (52221688939).

Almost surely, 2^104443377877 is an apocalyptic number.

It is an amenable number.

104443377877 is a deficient number, since it is larger than the sum of its proper divisors (1).

104443377877 is an equidigital number, since it uses as much as digits as its factorization.

104443377877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11063808, while the sum is 55.

The spelling of 104443377877 in words is "one hundred four billion, four hundred forty-three million, three hundred seventy-seven thousand, eight hundred seventy-seven".