388914960779 has 2 divisors, whose sum is σ = 388914960780. Its totient is φ = 388914960778.

The previous prime is 388914960757. The next prime is 388914960781. The reversal of 388914960779 is 977069419883.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388914960779 is a prime.

It is a super-2 number, since 2×388914960779² (a number of 24 digits) contains 22 as substring.

Together with 388914960781, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (388914960719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194457480389 + 194457480390.

It is an arithmetic number, because the mean of its divisors is an integer number (194457480390).

Almost surely, 2^388914960779 is an apocalyptic number.

388914960779 is a deficient number, since it is larger than the sum of its proper divisors (1).

388914960779 is an equidigital number, since it uses as much as digits as its factorization.

388914960779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164602368, while the sum is 71.

The spelling of 388914960779 in words is "three hundred eighty-eight billion, nine hundred fourteen million, nine hundred sixty thousand, seven hundred seventy-nine".