28374255686 has 16 divisors (see below), whose sum is σ = 48664652064. Its totient is φ = 12154627584.

The previous prime is 28374255677. The next prime is 28374255703. The reversal of 28374255686 is 68655247382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450005 + ... + 509168.

It is an arithmetic number, because the mean of its divisors is an integer number (3041540754).

Almost surely, 2^28374255686 is an apocalyptic number.

28374255686 is a deficient number, since it is larger than the sum of its proper divisors (20290396378).

28374255686 is a wasteful number, since it uses less digits than its factorization.

28374255686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961295.

The product of its digits is 19353600, while the sum is 56.

The spelling of 28374255686 in words is "twenty-eight billion, three hundred seventy-four million, two hundred fifty-five thousand, six hundred eighty-six".