386721368862 has 16 divisors (see below), whose sum is σ = 773460368640. Its totient is φ = 128904184472.

The previous prime is 386721368861. The next prime is 386721368911. The reversal of 386721368862 is 268863127683.

It is a happy number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 386721368796 and 386721368805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386721368861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440412 + ... + 983567.

It is an arithmetic number, because the mean of its divisors is an integer number (48341273040).

Almost surely, 2^386721368862 is an apocalyptic number.

386721368862 is an abundant number, since it is smaller than the sum of its proper divisors (386738999778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386721368862 is a wasteful number, since it uses less digits than its factorization.

386721368862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469247.

The product of its digits is 27869184, while the sum is 60.

The spelling of 386721368862 in words is "three hundred eighty-six billion, seven hundred twenty-one million, three hundred sixty-eight thousand, eight hundred sixty-two".