28088125366 has 32 divisors (see below), whose sum is σ = 50269340160. Its totient is φ = 11508716736.

The previous prime is 28088125333. The next prime is 28088125379. The reversal of 28088125366 is 66352188082.

It is a super-2 number, since 2×28088125366² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 667705 + ... + 708523.

It is an arithmetic number, because the mean of its divisors is an integer number (1570916880).

Almost surely, 2^28088125366 is an apocalyptic number.

28088125366 is a deficient number, since it is larger than the sum of its proper divisors (22181214794).

28088125366 is a wasteful number, since it uses less digits than its factorization.

28088125366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42988.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 28088125366 in words is "twenty-eight billion, eighty-eight million, one hundred twenty-five thousand, three hundred sixty-six".