28246852624 has 15 divisors (see below), whose sum is σ = 54729579517. Its totient is φ = 14123090176.

The previous prime is 28246852609. The next prime is 28246852631. The reversal of 28246852624 is 42625864282.

The square root of 28246852624 is 168068.

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., 3650576400 + 24596276224 = 60420^2 + 156832^2 .

It is a super-4 number, since 4×28246852624⁴ (a number of 43 digits) contains 4444 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 (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 651264 + ... + 693280.

Almost surely, 2^28246852624 is an apocalyptic number.

28246852624 is the 168068-th square number.

It is an amenable number.

28246852624 is a deficient number, since it is larger than the sum of its proper divisors (26482726893).

28246852624 is an frugal number, since it uses more digits than its factorization.

28246852624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84042 (or 42019 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 49.

Multiplying 28246852624 by its sum of digits (49), we get a square (1384095778576 = 1176476²).

The spelling of 28246852624 in words is "twenty-eight billion, two hundred forty-six million, eight hundred fifty-two thousand, six hundred twenty-four".