28713646375 has 16 divisors (see below), whose sum is σ = 35862252192. Its totient is φ = 22953211200.

The previous prime is 28713646369. The next prime is 28713646397. The reversal of 28713646375 is 57364631782.

It is not a de Polignac number, because 28713646375 - 2¹¹ = 28713644327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75499 + ... + 251251.

It is an arithmetic number, because the mean of its divisors is an integer number (2241390762).

Almost surely, 2^28713646375 is an apocalyptic number.

28713646375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28713646375 is a deficient number, since it is larger than the sum of its proper divisors (7148605817).

28713646375 is a wasteful number, since it uses less digits than its factorization.

28713646375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177075 (or 177065 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 52.

The spelling of 28713646375 in words is "twenty-eight billion, seven hundred thirteen million, six hundred forty-six thousand, three hundred seventy-five".