388789883 has 2 divisors, whose sum is σ = 388789884. Its totient is φ = 388789882.

The previous prime is 388789829. The next prime is 388789909. The reversal of 388789883 is 388987883.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 388789883 - 2⁸ = 388789627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (388785883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194394941 + 194394942.

It is an arithmetic number, because the mean of its divisors is an integer number (194394942).

Almost surely, 2^388789883 is an apocalyptic number.

388789883 is a deficient number, since it is larger than the sum of its proper divisors (1).

388789883 is an equidigital number, since it uses as much as digits as its factorization.

388789883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18579456, while the sum is 62.

The square root of 388789883 is about 19717.7555264285. The cubic root of 388789883 is about 729.8579087927.

The spelling of 388789883 in words is "three hundred eighty-eight million, seven hundred eighty-nine thousand, eight hundred eighty-three".