385885855047 has 16 divisors (see below), whose sum is σ = 641472590592. Its totient is φ = 200460184320.

The previous prime is 385885855013. The next prime is 385885855049. The reversal of 385885855047 is 740558588583.

It is not a de Polignac number, because 385885855047 - 2¹⁶ = 385885789511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385885855049) 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, 835250538 + ... + 835250999.

It is an arithmetic number, because the mean of its divisors is an integer number (40092036912).

Almost surely, 2^385885855047 is an apocalyptic number.

385885855047 is a deficient number, since it is larger than the sum of its proper divisors (255586735545).

385885855047 is a wasteful number, since it uses less digits than its factorization.

385885855047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670501558.

The product of its (nonzero) digits is 215040000, while the sum is 66.

The spelling of 385885855047 in words is "three hundred eighty-five billion, eight hundred eighty-five million, eight hundred fifty-five thousand, forty-seven".