384885173861572 has 12 divisors (see below), whose sum is σ = 673612055834256. Its totient is φ = 192424586480360.

The previous prime is 384885173861449. The next prime is 384885173861621. The reversal of 384885173861572 is 275168371588483.

It is a super-2 number, since 2×384885173861572² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4500064498 + ... + 4500150025.

It is an arithmetic number, because the mean of its divisors is an integer number (56134337986188).

Almost surely, 2^{384885173861572} is an apocalyptic number.

It is an amenable number.

384885173861572 is a deficient number, since it is larger than the sum of its proper divisors (288726881972684).

384885173861572 is a wasteful number, since it uses less digits than its factorization.

384885173861572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9000225218 (or 9000225216 counting only the distinct ones).

The product of its digits is 2167603200, while the sum is 76.

The spelling of 384885173861572 in words is "three hundred eighty-four trillion, eight hundred eighty-five billion, one hundred seventy-three million, eight hundred sixty-one thousand, five hundred seventy-two".