28252670708 has 6 divisors (see below), whose sum is σ = 49442173746. Its totient is φ = 14126335352.

The previous prime is 28252670707. The next prime is 28252670717. The reversal of 28252670708 is 80707625282.

It can be written as a sum of positive squares in only one way, i.e., 21467524324 + 6785146384 = 146518^2 + 82372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28252670707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3531583835 + ... + 3531583842.

It is an arithmetic number, because the mean of its divisors is an integer number (8240362291).

Almost surely, 2^28252670708 is an apocalyptic number.

It is an amenable number.

28252670708 is a deficient number, since it is larger than the sum of its proper divisors (21189503038).

28252670708 is a wasteful number, since it uses less digits than its factorization.

28252670708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7063167681 (or 7063167679 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 28252670708 in words is "twenty-eight billion, two hundred fifty-two million, six hundred seventy thousand, seven hundred eight".