28466620248 has 32 divisors (see below), whose sum is σ = 77636237760. Its totient is φ = 8626248480.

The previous prime is 28466620229. The next prime is 28466620261. The reversal of 28466620248 is 84202666482.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28466620197 and 28466620206.

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 in 7 ways as a sum of consecutive naturals, for example, 53913790 + ... + 53914317.

It is an arithmetic number, because the mean of its divisors is an integer number (2426132430).

Almost surely, 2^28466620248 is an apocalyptic number.

It is an amenable number.

28466620248 is an abundant number, since it is smaller than the sum of its proper divisors (49169617512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28466620248 is a wasteful number, since it uses less digits than its factorization.

28466620248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107828127 (or 107828123 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 28466620248 in words is "twenty-eight billion, four hundred sixty-six million, six hundred twenty thousand, two hundred forty-eight".