387044809682 has 8 divisors (see below), whose sum is σ = 614718227196. Its totient is φ = 182138733952.

The previous prime is 387044809681. The next prime is 387044809687. The reversal of 387044809682 is 286908440783.

It can be written as a sum of positive squares in 2 ways, for example, as 385888197601 + 1156612081 = 621199^2 + 34009^2 .

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

It is a super-2 number, since 2×387044809682² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (387044809681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5691835403 + ... + 5691835470.

Almost surely, 2^387044809682 is an apocalyptic number.

387044809682 is a deficient number, since it is larger than the sum of its proper divisors (227673417514).

387044809682 is a wasteful number, since it uses less digits than its factorization.

387044809682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11383670892.

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 387044809682 in words is "three hundred eighty-seven billion, forty-four million, eight hundred nine thousand, six hundred eighty-two".