385218456387 has 36 divisors (see below), whose sum is σ = 530732536152. Its totient is φ = 248386179200.

The previous prime is 385218456377. The next prime is 385218456433. The reversal of 385218456387 is 783654812583.

It is not a de Polignac number, because 385218456387 - 2¹² = 385218452291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385218456387.

It is not an unprimeable number, because it can be changed into a prime (385218456307) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1314738613 + ... + 1314738905.

Almost surely, 2^385218456387 is an apocalyptic number.

385218456387 is a deficient number, since it is larger than the sum of its proper divisors (145514079765).

385218456387 is an frugal number, since it uses more digits than its factorization.

385218456387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 528 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 60.

The spelling of 385218456387 in words is "three hundred eighty-five billion, two hundred eighteen million, four hundred fifty-six thousand, three hundred eighty-seven".