3885885779 has 2 divisors, whose sum is σ = 3885885780. Its totient is φ = 3885885778.

The previous prime is 3885885767. The next prime is 3885885799. The reversal of 3885885779 is 9775885883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3885885779 - 2⁴ = 3885885763 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3885885709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1942942889 + 1942942890.

It is an arithmetic number, because the mean of its divisors is an integer number (1942942890).

Almost surely, 2^3885885779 is an apocalyptic number.

3885885779 is a deficient number, since it is larger than the sum of its proper divisors (1).

3885885779 is an equidigital number, since it uses as much as digits as its factorization.

3885885779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 135475200, while the sum is 68.

The square root of 3885885779 is about 62336.8733495673. The cubic root of 3885885779 is about 1572.1597629077.

The spelling of 3885885779 in words is "three billion, eight hundred eighty-five million, eight hundred eighty-five thousand, seven hundred seventy-nine".