28627286416 has 15 divisors (see below), whose sum is σ = 55466678731. Its totient is φ = 14313304816.

The previous prime is 28627286371. The next prime is 28627286419. The reversal of 28627286416 is 61468272682.

The square root of 28627286416 is 169196.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28627286419) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 655635 + ... + 697933.

Almost surely, 2^28627286416 is an apocalyptic number.

28627286416 is the 169196-th square number.

It is an amenable number.

28627286416 is a deficient number, since it is larger than the sum of its proper divisors (26839392315).

28627286416 is an frugal number, since it uses more digits than its factorization.

28627286416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84606 (or 42301 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 52.

The spelling of 28627286416 in words is "twenty-eight billion, six hundred twenty-seven million, two hundred eighty-six thousand, four hundred sixteen".