388622440699 has 4 divisors (see below), whose sum is σ = 388651077864. Its totient is φ = 388593803536.

The previous prime is 388622440681. The next prime is 388622440721. The reversal of 388622440699 is 996044226883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 388622440699 - 2⁵ = 388622440667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388622440399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14298217 + ... + 14325370.

It is an arithmetic number, because the mean of its divisors is an integer number (97162769466).

Almost surely, 2^388622440699 is an apocalyptic number.

388622440699 is a deficient number, since it is larger than the sum of its proper divisors (28637165).

388622440699 is a wasteful number, since it uses less digits than its factorization.

388622440699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28637164.

The product of its (nonzero) digits is 35831808, while the sum is 61.

The spelling of 388622440699 in words is "three hundred eighty-eight billion, six hundred twenty-two million, four hundred forty thousand, six hundred ninety-nine".