485221378 has 8 divisors (see below), whose sum is σ = 770645772. Its totient is φ = 228339456.

The previous prime is 485221357. The next prime is 485221379. The reversal of 485221378 is 873122584.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 485012529 + 208849 = 22023^2 + 457^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 485221378.

It is not an unprimeable number, because it can be changed into a prime (485221379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7135575 + ... + 7135642.

Almost surely, 2^485221378 is an apocalyptic number.

485221378 is a deficient number, since it is larger than the sum of its proper divisors (285424394).

485221378 is a wasteful number, since it uses less digits than its factorization.

485221378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14271236.

The product of its digits is 107520, while the sum is 40.

The square root of 485221378 is about 22027.7411007121. The cubic root of 485221378 is about 785.8023241043.

The spelling of 485221378 in words is "four hundred eighty-five million, two hundred twenty-one thousand, three hundred seventy-eight".