387845701967 has 4 divisors (see below), whose sum is σ = 401219691720. Its totient is φ = 374471712216.

The previous prime is 387845701931. The next prime is 387845701973. The reversal of 387845701967 is 769107548783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 387845701967 - 2¹² = 387845697871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387845701567) 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, 6686994833 + ... + 6686994890.

It is an arithmetic number, because the mean of its divisors is an integer number (100304922930).

Almost surely, 2^387845701967 is an apocalyptic number.

387845701967 is a deficient number, since it is larger than the sum of its proper divisors (13373989753).

387845701967 is a wasteful number, since it uses less digits than its factorization.

387845701967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13373989752.

The product of its (nonzero) digits is 71124480, while the sum is 65.

The spelling of 387845701967 in words is "three hundred eighty-seven billion, eight hundred forty-five million, seven hundred one thousand, nine hundred sixty-seven".