8274464644728 has 32 divisors (see below), whose sum is σ = 20899421015760. Its totient is φ = 2729720294400.

The previous prime is 8274464644669. The next prime is 8274464644739.

It is a happy number.

8274464644728 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777159323 + ... + 1777163978.

Almost surely, 2^{8274464644728} is an apocalyptic number.

It is an amenable number.

8274464644728 is an abundant number, since it is smaller than the sum of its proper divisors (12624956371032).

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

8274464644728 is a wasteful number, since it uses less digits than its factorization.

8274464644728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554323407 (or 3554323403 counting only the distinct ones).

The product of its digits is 462422016, while the sum is 66.

The spelling of 8274464644728 in words is "eight trillion, two hundred seventy-four billion, four hundred sixty-four million, six hundred forty-four thousand, seven hundred twenty-eight".