28217602366 has 16 divisors (see below), whose sum is σ = 42500381184. Its totient is φ = 14050919584.

The previous prime is 28217602363. The next prime is 28217602447. The reversal of 28217602366 is 66320671282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28217602363) by changing a digit.

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, 491376 + ... + 545788.

It is an arithmetic number, because the mean of its divisors is an integer number (2656273824).

Almost surely, 2^28217602366 is an apocalyptic number.

28217602366 is a deficient number, since it is larger than the sum of its proper divisors (14282778818).

28217602366 is a wasteful number, since it uses less digits than its factorization.

28217602366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55475.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 28217602366 in words is "twenty-eight billion, two hundred seventeen million, six hundred two thousand, three hundred sixty-six".