385647300847 has 4 divisors (see below), whose sum is σ = 385995045240. Its totient is φ = 385299556456.

The previous prime is 385647300761. The next prime is 385647300893. The reversal of 385647300847 is 748003746583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748003746583 = 211 ⋅3545041453.

It is a cyclic number.

It is not a de Polignac number, because 385647300847 - 2⁷ = 385647300719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385647309847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173870533 + ... + 173872750.

It is an arithmetic number, because the mean of its divisors is an integer number (96498761310).

Almost surely, 2^385647300847 is an apocalyptic number.

385647300847 is a deficient number, since it is larger than the sum of its proper divisors (347744393).

385647300847 is a wasteful number, since it uses less digits than its factorization.

385647300847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347744392.

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 385647300847 in words is "three hundred eighty-five billion, six hundred forty-seven million, three hundred thousand, eight hundred forty-seven".