388670708863 has 2 divisors, whose sum is σ = 388670708864. Its totient is φ = 388670708862.

The previous prime is 388670708849. The next prime is 388670708869. The reversal of 388670708863 is 368807076883.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388670708863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 388670708795 and 388670708804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388670708869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194335354431 + 194335354432.

It is an arithmetic number, because the mean of its divisors is an integer number (194335354432).

Almost surely, 2^388670708863 is an apocalyptic number.

388670708863 is a deficient number, since it is larger than the sum of its proper divisors (1).

388670708863 is an equidigital number, since it uses as much as digits as its factorization.

388670708863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65028096, while the sum is 64.

The spelling of 388670708863 in words is "three hundred eighty-eight billion, six hundred seventy million, seven hundred eight thousand, eight hundred sixty-three".