3779887889 has 2 divisors, whose sum is σ = 3779887890. Its totient is φ = 3779887888.

The previous prime is 3779887861. The next prime is 3779887913. The reversal of 3779887889 is 9887889773.

3779887889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3772047889 + 7840000 = 61417^2 + 2800^2 .

It is a cyclic number.

It is not a de Polignac number, because 3779887889 - 2⁸ = 3779887633 is a prime.

It is not a weakly prime, because it can be changed into another prime (3779887819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1889943944 + 1889943945.

It is an arithmetic number, because the mean of its divisors is an integer number (1889943945).

Almost surely, 2^3779887889 is an apocalyptic number.

It is an amenable number.

3779887889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3779887889 is an equidigital number, since it uses as much as digits as its factorization.

3779887889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 341397504, while the sum is 74.

The square root of 3779887889 is about 61480.7928462215. The cubic root of 3779887889 is about 1557.7328299876.

The spelling of 3779887889 in words is "three billion, seven hundred seventy-nine million, eight hundred eighty-seven thousand, eight hundred eighty-nine".