28206754734 has 32 divisors (see below), whose sum is σ = 58454820864. Its totient is φ = 9064340640.

The previous prime is 28206754733. The next prime is 28206754757. The reversal of 28206754734 is 43745760282.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28206754733) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 239389 + ... + 337224.

It is an arithmetic number, because the mean of its divisors is an integer number (1826713152).

Almost surely, 2^28206754734 is an apocalyptic number.

28206754734 is an abundant number, since it is smaller than the sum of its proper divisors (30248066130).

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

28206754734 is a wasteful number, since it uses less digits than its factorization.

28206754734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576912.

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 28206754734 in words is "twenty-eight billion, two hundred six million, seven hundred fifty-four thousand, seven hundred thirty-four".