28108199202 has 32 divisors (see below), whose sum is σ = 56812420224. Its totient is φ = 9270192000.

The previous prime is 28108199201. The next prime is 28108199209. The reversal of 28108199202 is 20299180182.

It is not an unprimeable number, because it can be changed into a prime (28108199201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900318 + ... + 931014.

It is an arithmetic number, because the mean of its divisors is an integer number (1775388132).

Almost surely, 2^28108199202 is an apocalyptic number.

28108199202 is an abundant number, since it is smaller than the sum of its proper divisors (28704221022).

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

28108199202 is a wasteful number, since it uses less digits than its factorization.

28108199202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32314.

The product of its (nonzero) digits is 41472, while the sum is 42.

The spelling of 28108199202 in words is "twenty-eight billion, one hundred eight million, one hundred ninety-nine thousand, two hundred two".