28194057298 has 12 divisors (see below), whose sum is σ = 46485243630. Its totient is φ = 12815480480.

The previous prime is 28194057263. The next prime is 28194057347. The reversal of 28194057298 is 89275049182.

It can be written as a sum of positive squares in only one way, i.e., 24422500729 + 3771556569 = 156277^2 + 61413^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 58251943 + ... + 58252426.

Almost surely, 2^28194057298 is an apocalyptic number.

28194057298 is a deficient number, since it is larger than the sum of its proper divisors (18291186332).

28194057298 is a wasteful number, since it uses less digits than its factorization.

28194057298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116504393 (or 116504382 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 28194057298 in words is "twenty-eight billion, one hundred ninety-four million, fifty-seven thousand, two hundred ninety-eight".