387643132299 has 8 divisors (see below), whose sum is σ = 544060536640. Its totient is φ = 244827241416.

The previous prime is 387643132297. The next prime is 387643132351. The reversal of 387643132299 is 992231346783.

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

It is not a de Polignac number, because 387643132299 - 2¹ = 387643132297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 6800756707 = 387643132299 / (3 + 8 + 7 + 6 + 4 + 3 + 1 + 3 + 2 + 2 + 9 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387643132291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3400378297 + ... + 3400378410.

It is an arithmetic number, because the mean of its divisors is an integer number (68007567080).

Almost surely, 2^387643132299 is an apocalyptic number.

387643132299 is a deficient number, since it is larger than the sum of its proper divisors (156417404341).

387643132299 is a wasteful number, since it uses less digits than its factorization.

387643132299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6800756729.

The product of its digits is 11757312, while the sum is 57.

The spelling of 387643132299 in words is "three hundred eighty-seven billion, six hundred forty-three million, one hundred thirty-two thousand, two hundred ninety-nine".