28845861248 has 16 divisors (see below), whose sum is σ = 57466364460. Its totient is φ = 14422930560.

The previous prime is 28845861223. The next prime is 28845861257. The reversal of 28845861248 is 84216854882.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×28845861248² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28845861193 and 28845861202.

It is a congruent number.

It is an unprimeable number.

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, 112679018 + ... + 112679273.

Almost surely, 2^28845861248 is an apocalyptic number.

It is an amenable number.

28845861248 is a deficient number, since it is larger than the sum of its proper divisors (28620503212).

28845861248 is an equidigital number, since it uses as much as digits as its factorization.

28845861248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225358305 (or 225358293 counting only the distinct ones).

The product of its digits is 7864320, while the sum is 56.

The spelling of 28845861248 in words is "twenty-eight billion, eight hundred forty-five million, eight hundred sixty-one thousand, two hundred forty-eight".