28088168253272 has 32 divisors (see below), whose sum is σ = 54968065274880. Its totient is φ = 13430305368480.

The previous prime is 28088168253247. The next prime is 28088168253293. The reversal of 28088168253272 is 27235286188082.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17208104 + ... + 18769527.

It is an arithmetic number, because the mean of its divisors is an integer number (1717752039840).

Almost surely, 2^{28088168253272} is an apocalyptic number.

It is an amenable number.

28088168253272 is a deficient number, since it is larger than the sum of its proper divisors (26879897021608).

28088168253272 is a wasteful number, since it uses less digits than its factorization.

28088168253272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35981903 (or 35981899 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 62.

The spelling of 28088168253272 in words is "twenty-eight trillion, eighty-eight billion, one hundred sixty-eight million, two hundred fifty-three thousand, two hundred seventy-two".