3885484673872 has 10 divisors (see below), whose sum is σ = 7528126555658. Its totient is φ = 1942742336928.

The previous prime is 3885484673867. The next prime is 3885484673891. The reversal of 3885484673872 is 2783764845883.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2189145139776 + 1696339534096 = 1479576^2 + 1302436^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3885484673795 and 3885484673804.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 121421396043 + ... + 121421396074.

Almost surely, 2^{3885484673872} is an apocalyptic number.

It is an amenable number.

3885484673872 is a deficient number, since it is larger than the sum of its proper divisors (3642641881786).

3885484673872 is a wasteful number, since it uses less digits than its factorization.

3885484673872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242842792125 (or 242842792119 counting only the distinct ones).

The product of its digits is 1734082560, while the sum is 73.

The spelling of 3885484673872 in words is "three trillion, eight hundred eighty-five billion, four hundred eighty-four million, six hundred seventy-three thousand, eight hundred seventy-two".