386728427966911 has 2 divisors, whose sum is σ = 386728427966912. Its totient is φ = 386728427966910.

The previous prime is 386728427966899. The next prime is 386728427966917. The reversal of 386728427966911 is 119669724827683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 386728427966911 - 2²¹ = 386728425869759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386728427966917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193364213983455 + 193364213983456.

It is an arithmetic number, because the mean of its divisors is an integer number (193364213983456).

Almost surely, 2^{386728427966911} is an apocalyptic number.

386728427966911 is a deficient number, since it is larger than the sum of its proper divisors (1).

386728427966911 is an equidigital number, since it uses as much as digits as its factorization.

386728427966911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2633637888, while the sum is 79.

The spelling of 386728427966911 in words is "three hundred eighty-six trillion, seven hundred twenty-eight billion, four hundred twenty-seven million, nine hundred sixty-six thousand, nine hundred eleven".