384812890871 has 8 divisors (see below), whose sum is σ = 395496672384. Its totient is φ = 374207956920.

The previous prime is 384812890823. The next prime is 384812890921. The reversal of 384812890871 is 178098218483.

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 384812890871 - 2¹⁴ = 384812874487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 384812890871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384812890811) 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, 19701995 + ... + 19721516.

It is an arithmetic number, because the mean of its divisors is an integer number (49437084048).

Almost surely, 2^384812890871 is an apocalyptic number.

384812890871 is a deficient number, since it is larger than the sum of its proper divisors (10683781513).

384812890871 is a wasteful number, since it uses less digits than its factorization.

384812890871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39423781.

The product of its (nonzero) digits is 6193152, while the sum is 59.

The spelling of 384812890871 in words is "three hundred eighty-four billion, eight hundred twelve million, eight hundred ninety thousand, eight hundred seventy-one".