387867121873 has 8 divisors (see below), whose sum is σ = 483574593600. Its totient is φ = 302234120880.

The previous prime is 387867121843. The next prime is 387867121877. The reversal of 387867121873 is 378121768783.

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

It is a cyclic number.

It is not a de Polignac number, because 387867121873 - 2⁵ = 387867121841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387867121877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2518617598 + ... + 2518617751.

It is an arithmetic number, because the mean of its divisors is an integer number (60446824200).

Almost surely, 2^387867121873 is an apocalyptic number.

It is an amenable number.

387867121873 is a deficient number, since it is larger than the sum of its proper divisors (95707471727).

387867121873 is a wasteful number, since it uses less digits than its factorization.

387867121873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037235367.

The product of its digits is 18966528, while the sum is 61.

The spelling of 387867121873 in words is "three hundred eighty-seven billion, eight hundred sixty-seven million, one hundred twenty-one thousand, eight hundred seventy-three".