28302310688 has 12 divisors (see below), whose sum is σ = 55720174230. Its totient is φ = 14151155328.

The previous prime is 28302310661. The next prime is 28302310691. The reversal of 28302310688 is 88601320382.

It can be written as a sum of positive squares in only one way, i.e., 27565296784 + 737013904 = 166028^2 + 27148^2 .

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 as a sum of consecutive naturals, namely, 442223573 + ... + 442223636.

Almost surely, 2^28302310688 is an apocalyptic number.

It is an amenable number.

28302310688 is a deficient number, since it is larger than the sum of its proper divisors (27417863542).

28302310688 is an equidigital number, since it uses as much as digits as its factorization.

28302310688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884447219 (or 884447211 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 28302310688 in words is "twenty-eight billion, three hundred two million, three hundred ten thousand, six hundred eighty-eight".