389772344771 has 8 divisors (see below), whose sum is σ = 394739601600. Its totient is φ = 384805923840.

The previous prime is 389772344747. The next prime is 389772344839. The reversal of 389772344771 is 177443277983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 389772344771 - 2¹⁸ = 389772082627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389772344471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757865 + ... + 1163573.

It is an arithmetic number, because the mean of its divisors is an integer number (49342450200).

Almost surely, 2^389772344771 is an apocalyptic number.

389772344771 is a deficient number, since it is larger than the sum of its proper divisors (4967256829).

389772344771 is a wasteful number, since it uses less digits than its factorization.

389772344771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417949.

The product of its digits is 49787136, while the sum is 62.

The spelling of 389772344771 in words is "three hundred eighty-nine billion, seven hundred seventy-two million, three hundred forty-four thousand, seven hundred seventy-one".