386105647876 has 27 divisors (see below), whose sum is σ = 731689395381. Its totient is φ = 178195150224.

The previous prime is 386105647787. The next prime is 386105647883. The reversal of 386105647876 is 678746501683.

The square root of 386105647876 is 621374.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 57116220100 + 328989427776 = 238990^2 + 573576^2 .

It is a super-2 number, since 2×386105647876² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16143775 + ... + 16167673.

Almost surely, 2^386105647876 is an apocalyptic number.

386105647876 is the 621374-th square number.

It is an amenable number.

386105647876 is a deficient number, since it is larger than the sum of its proper divisors (345583747505).

386105647876 is an frugal number, since it uses more digits than its factorization.

386105647876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47828 (or 23914 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 386105647876 in words is "three hundred eighty-six billion, one hundred five million, six hundred forty-seven thousand, eight hundred seventy-six".