3868778707 has 2 divisors, whose sum is σ = 3868778708. Its totient is φ = 3868778706.

The previous prime is 3868778699. The next prime is 3868778729. The reversal of 3868778707 is 7078778683.

3868778707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3868778707 - 2³ = 3868778699 is a prime.

It is not a weakly prime, because it can be changed into another prime (3863778707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934389353 + 1934389354.

It is an arithmetic number, because the mean of its divisors is an integer number (1934389354).

Almost surely, 2^3868778707 is an apocalyptic number.

3868778707 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868778707 is an equidigital number, since it uses as much as digits as its factorization.

3868778707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22127616, while the sum is 61.

The square root of 3868778707 is about 62199.5072890453. The cubic root of 3868778707 is about 1569.8492974743.

The spelling of 3868778707 in words is "three billion, eight hundred sixty-eight million, seven hundred seventy-eight thousand, seven hundred seven".