3789944499877 has 2 divisors, whose sum is σ = 3789944499878. Its totient is φ = 3789944499876.

The previous prime is 3789944499871. The next prime is 3789944499953. The reversal of 3789944499877 is 7789944499873.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3260592215521 + 529352284356 = 1805711^2 + 727566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3789944499877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3789944499871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1894972249938 + 1894972249939.

It is an arithmetic number, because the mean of its divisors is an integer number (1894972249939).

Almost surely, 2^{3789944499877} is an apocalyptic number.

It is an amenable number.

3789944499877 is a deficient number, since it is larger than the sum of its proper divisors (1).

3789944499877 is an equidigital number, since it uses as much as digits as its factorization.

3789944499877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27653197824, while the sum is 88.

The spelling of 3789944499877 in words is "three trillion, seven hundred eighty-nine billion, nine hundred forty-four million, four hundred ninety-nine thousand, eight hundred seventy-seven".