28712407168706 has 16 divisors (see below), whose sum is σ = 43094283724800. Its totient is φ = 14347647567600.

The previous prime is 28712407168703. The next prime is 28712407168717. The reversal of 28712407168706 is 60786170421782.

It is not an unprimeable number, because it can be changed into a prime (28712407168703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35055656 + ... + 35865356.

It is an arithmetic number, because the mean of its divisors is an integer number (2693392732800).

Almost surely, 2^{28712407168706} is an apocalyptic number.

28712407168706 is a deficient number, since it is larger than the sum of its proper divisors (14381876556094).

28712407168706 is a wasteful number, since it uses less digits than its factorization.

28712407168706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820249.

The product of its (nonzero) digits is 12644352, while the sum is 59.

The spelling of 28712407168706 in words is "twenty-eight trillion, seven hundred twelve billion, four hundred seven million, one hundred sixty-eight thousand, seven hundred six".