387885144807 has 6 divisors (see below), whose sum is σ = 560278542512. Its totient is φ = 258590096532.

The previous prime is 387885144749. The next prime is 387885144817. The reversal of 387885144807 is 708441588783.

387885144807 is a `hidden beast` number, since 3 + 8 + 78 + 8 + 514 + 48 + 0 + 7 = 666.

It is not a de Polignac number, because 387885144807 - 2¹⁶ = 387885079271 is a prime.

It is a super-3 number, since 3×387885144807³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387885144817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21549174703 + ... + 21549174720.

Almost surely, 2^387885144807 is an apocalyptic number.

387885144807 is a deficient number, since it is larger than the sum of its proper divisors (172393397705).

387885144807 is a wasteful number, since it uses less digits than its factorization.

387885144807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43098349429 (or 43098349426 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 63.

The spelling of 387885144807 in words is "three hundred eighty-seven billion, eight hundred eighty-five million, one hundred forty-four thousand, eight hundred seven".