28726020107067 has 32 divisors (see below), whose sum is σ = 40600565997120. Its totient is φ = 18003646402560.

The previous prime is 28726020107053. The next prime is 28726020107069. The reversal of 28726020107067 is 76070102062782.

It is not a de Polignac number, because 28726020107067 - 2¹⁶ = 28726020041531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28726020107069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 780983217 + ... + 781019997.

It is an arithmetic number, because the mean of its divisors is an integer number (1268767687410).

Almost surely, 2^{28726020107067} is an apocalyptic number.

28726020107067 is a deficient number, since it is larger than the sum of its proper divisors (11874545890053).

28726020107067 is a wasteful number, since it uses less digits than its factorization.

28726020107067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53823.

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 28726020107067 in words is "twenty-eight trillion, seven hundred twenty-six billion, twenty million, one hundred seven thousand, sixty-seven".