386879819121 has 24 divisors (see below), whose sum is σ = 560628072576. Its totient is φ = 257089425120.

The previous prime is 386879819119. The next prime is 386879819141. The reversal of 386879819121 is 121918978683.

386879819121 is a `hidden beast` number, since 386 + 8 + 79 + 81 + 91 + 21 = 666.

It is not a de Polignac number, because 386879819121 - 2¹ = 386879819119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386879819141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4311711 + ... + 4400523.

It is an arithmetic number, because the mean of its divisors is an integer number (23359503024).

Almost surely, 2^386879819121 is an apocalyptic number.

It is an amenable number.

386879819121 is a deficient number, since it is larger than the sum of its proper divisors (173748253455).

386879819121 is a wasteful number, since it uses less digits than its factorization.

386879819121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90373 (or 90370 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 63.

The spelling of 386879819121 in words is "three hundred eighty-six billion, eight hundred seventy-nine million, eight hundred nineteen thousand, one hundred twenty-one".