28451592976 has 15 divisors (see below), whose sum is σ = 55126268661. Its totient is φ = 14225459136.

The previous prime is 28451592937. The next prime is 28451593007. The reversal of 28451592976 is 67929515482.

It is a happy number.

The square root of 28451592976 is 168676.

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., 28064290576 + 387302400 = 167524^2 + 19680^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28451592976.

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 in 2 ways as a sum of consecutive naturals, for example, 653620 + ... + 695788.

Almost surely, 2^28451592976 is an apocalyptic number.

28451592976 is the 168676-th square number.

It is an amenable number.

28451592976 is a deficient number, since it is larger than the sum of its proper divisors (26674675685).

28451592976 is an frugal number, since it uses more digits than its factorization.

28451592976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84346 (or 42171 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 58.

The spelling of 28451592976 in words is "twenty-eight billion, four hundred fifty-one million, five hundred ninety-two thousand, nine hundred seventy-six".