28758213246 has 16 divisors (see below), whose sum is σ = 65733058944. Its totient is φ = 8216632344.

The previous prime is 28758213233. The next prime is 28758213257. The reversal of 28758213246 is 64231285782.

It is a junction number, because it is equal to n+sod(n) for n = 28758213195 and 28758213204.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 342359640 + ... + 342359723.

It is an arithmetic number, because the mean of its divisors is an integer number (4108316184).

Almost surely, 2^28758213246 is an apocalyptic number.

28758213246 is an abundant number, since it is smaller than the sum of its proper divisors (36974845698).

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

28758213246 is a wasteful number, since it uses less digits than its factorization.

28758213246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684719375.

The product of its digits is 1290240, while the sum is 48.

The spelling of 28758213246 in words is "twenty-eight billion, seven hundred fifty-eight million, two hundred thirteen thousand, two hundred forty-six".