28084582546 has 4 divisors (see below), whose sum is σ = 42126873822. Its totient is φ = 14042291272.

The previous prime is 28084582543. The next prime is 28084582567. The reversal of 28084582546 is 64528548082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27047420521 + 1037162025 = 164461^2 + 32205^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28084582493 and 28084582502.

It is not an unprimeable number, because it can be changed into a prime (28084582541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7021145635 + ... + 7021145638.

Almost surely, 2^28084582546 is an apocalyptic number.

28084582546 is a deficient number, since it is larger than the sum of its proper divisors (14042291276).

28084582546 is a wasteful number, since it uses less digits than its factorization.

28084582546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14042291275.

The product of its (nonzero) digits is 4915200, while the sum is 52.

The spelling of 28084582546 in words is "twenty-eight billion, eighty-four million, five hundred eighty-two thousand, five hundred forty-six".