387276666369 has 8 divisors (see below), whose sum is σ = 516486342720. Its totient is φ = 258125717136.

The previous prime is 387276666353. The next prime is 387276666383. The reversal of 387276666369 is 963666672783.

387276666369 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 387276666369 - 2⁴ = 387276666353 is a prime.

It is a super-2 number, since 2×387276666369² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (387276666269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14666389 + ... + 14692770.

It is an arithmetic number, because the mean of its divisors is an integer number (64560792840).

Almost surely, 2^387276666369 is an apocalyptic number.

It is an amenable number.

387276666369 is a deficient number, since it is larger than the sum of its proper divisors (129209676351).

387276666369 is a wasteful number, since it uses less digits than its factorization.

387276666369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29363559.

The product of its digits is 493807104, while the sum is 69.

The spelling of 387276666369 in words is "three hundred eighty-seven billion, two hundred seventy-six million, six hundred sixty-six thousand, three hundred sixty-nine".