388466020799 has 2 divisors, whose sum is σ = 388466020800. Its totient is φ = 388466020798.

The previous prime is 388466020781. The next prime is 388466020823. The reversal of 388466020799 is 997020664883.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388466020799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388466020769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194233010399 + 194233010400.

It is an arithmetic number, because the mean of its divisors is an integer number (194233010400).

Almost surely, 2^388466020799 is an apocalyptic number.

388466020799 is a deficient number, since it is larger than the sum of its proper divisors (1).

388466020799 is an equidigital number, since it uses as much as digits as its factorization.

388466020799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 388466020799 in words is "three hundred eighty-eight billion, four hundred sixty-six million, twenty thousand, seven hundred ninety-nine".