28364706418 has 4 divisors (see below), whose sum is σ = 42547059630. Its totient is φ = 14182353208.

The previous prime is 28364706379. The next prime is 28364706449. The reversal of 28364706418 is 81460746382.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27779888929 + 584817489 = 166673^2 + 24183^2 .

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 as a sum of consecutive naturals, namely, 7091176603 + ... + 7091176606.

Almost surely, 2^28364706418 is an apocalyptic number.

28364706418 is a deficient number, since it is larger than the sum of its proper divisors (14182353212).

28364706418 is a wasteful number, since it uses less digits than its factorization.

28364706418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14182353211.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 28364706418 in words is "twenty-eight billion, three hundred sixty-four million, seven hundred six thousand, four hundred eighteen".