387068666193 has 48 divisors (see below), whose sum is σ = 628417595520. Its totient is φ = 227574547200.

The previous prime is 387068666191. The next prime is 387068666261. The reversal of 387068666193 is 391666860783.

It is not a de Polignac number, because 387068666193 - 2¹ = 387068666191 is a prime.

It is a super-2 number, since 2×387068666193² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 387068666193.

It is not an unprimeable number, because it can be changed into a prime (387068666191) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52548 + ... + 881418.

It is an arithmetic number, because the mean of its divisors is an integer number (13092033240).

Almost surely, 2^387068666193 is an apocalyptic number.

387068666193 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

387068666193 is a deficient number, since it is larger than the sum of its proper divisors (241348929327).

387068666193 is a wasteful number, since it uses less digits than its factorization.

387068666193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829030 (or 829027 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 387068666193 in words is "three hundred eighty-seven billion, sixty-eight million, six hundred sixty-six thousand, one hundred ninety-three".