387342243783 has 128 divisors (see below), whose sum is σ = 665100288000. Its totient is φ = 220495841280.

The previous prime is 387342243781. The next prime is 387342243787.

It is a happy number.

387342243783 is a `hidden beast` number, since 3 + 87 + 34 + 22 + 437 + 83 = 666.

387342243783 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 387342243783 - 2¹ = 387342243781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387342243781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 104150398 + ... + 104154116.

It is an arithmetic number, because the mean of its divisors is an integer number (5196096000).

Almost surely, 2^387342243783 is an apocalyptic number.

387342243783 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

387342243783 is a deficient number, since it is larger than the sum of its proper divisors (277758044217).

387342243783 is a wasteful number, since it uses less digits than its factorization.

387342243783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034 (or 4028 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 54.

The spelling of 387342243783 in words is "three hundred eighty-seven billion, three hundred forty-two million, two hundred forty-three thousand, seven hundred eighty-three".