28005275028002 has 16 divisors (see below), whose sum is σ = 42258133959552. Its totient is φ = 13919258731920.

The previous prime is 28005275027999. The next prime is 28005275028007. The reversal of 28005275028002 is 20082057250082.

It is a super-2 number, since 2×28005275028002² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28005275028007) 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, 5110328 + ... + 9062339.

It is an arithmetic number, because the mean of its divisors is an integer number (2641133372472).

Almost surely, 2^{28005275028002} is an apocalyptic number.

28005275028002 is a deficient number, since it is larger than the sum of its proper divisors (14252858931550).

28005275028002 is a wasteful number, since it uses less digits than its factorization.

28005275028002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14178553.

The product of its (nonzero) digits is 179200, while the sum is 41.

The spelling of 28005275028002 in words is "twenty-eight trillion, five billion, two hundred seventy-five million, twenty-eight thousand, two".