28062812706 has 32 divisors (see below), whose sum is σ = 56313139200. Its totient is φ = 9323061120.

The previous prime is 28062812681. The next prime is 28062812707. The reversal of 28062812706 is 60721826082.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28062812707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3134196 + ... + 3143136.

It is an arithmetic number, because the mean of its divisors is an integer number (1759785600).

Almost surely, 2^28062812706 is an apocalyptic number.

28062812706 is an abundant number, since it is smaller than the sum of its proper divisors (28250326494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28062812706 is a wasteful number, since it uses less digits than its factorization.

28062812706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10634.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 28062812706 in words is "twenty-eight billion, sixty-two million, eight hundred twelve thousand, seven hundred six".