384857474911 has 16 divisors (see below), whose sum is σ = 483748844544. Its totient is φ = 298023835104.

The previous prime is 384857474863. The next prime is 384857474971. The reversal of 384857474911 is 119474758483.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 384857474911 - 2⁷ = 384857474783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 384857474911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384857474971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44987245 + ... + 44995798.

It is an arithmetic number, because the mean of its divisors is an integer number (30234302784).

Almost surely, 2^384857474911 is an apocalyptic number.

384857474911 is a deficient number, since it is larger than the sum of its proper divisors (98891369633).

384857474911 is a wasteful number, since it uses less digits than its factorization.

384857474911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89983110.

The product of its digits is 27095040, while the sum is 61.

The spelling of 384857474911 in words is "three hundred eighty-four billion, eight hundred fifty-seven million, four hundred seventy-four thousand, nine hundred eleven".