28138296571098 has 16 divisors (see below), whose sum is σ = 64316106448320. Its totient is φ = 8039513306016.

The previous prime is 28138296571087. The next prime is 28138296571141. The reversal of 28138296571098 is 89017569283182.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334979721043 + ... + 334979721126.

It is an arithmetic number, because the mean of its divisors is an integer number (4019756653020).

Almost surely, 2^{28138296571098} is an apocalyptic number.

28138296571098 is an abundant number, since it is smaller than the sum of its proper divisors (36177809877222).

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

28138296571098 is a wasteful number, since it uses less digits than its factorization.

28138296571098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669959442181.

The product of its (nonzero) digits is 104509440, while the sum is 69.

The spelling of 28138296571098 in words is "twenty-eight trillion, one hundred thirty-eight billion, two hundred ninety-six million, five hundred seventy-one thousand, ninety-eight".