28084561102 has 64 divisors (see below), whose sum is σ = 50216785920. Its totient is φ = 11647747584.

The previous prime is 28084561097. The next prime is 28084561103. The reversal of 28084561102 is 20116548082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28084561103) 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, 6290523 + ... + 6294985.

It is an arithmetic number, because the mean of its divisors is an integer number (784637280).

Almost surely, 2^28084561102 is an apocalyptic number.

28084561102 is a deficient number, since it is larger than the sum of its proper divisors (22132224818).

28084561102 is a wasteful number, since it uses less digits than its factorization.

28084561102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5137.

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 28084561102 in words is "twenty-eight billion, eighty-four million, five hundred sixty-one thousand, one hundred two".