28697536298 has 8 divisors (see below), whose sum is σ = 43077478980. Its totient is φ = 14338376640.

The previous prime is 28697536277. The next prime is 28697536321. The reversal of 28697536298 is 89263579682.

It can be written as a sum of positive squares in 2 ways, for example, as 27500583889 + 1196952409 = 165833^2 + 34597^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 5192303 + ... + 5197826.

Almost surely, 2^28697536298 is an apocalyptic number.

28697536298 is a deficient number, since it is larger than the sum of its proper divisors (14379942682).

28697536298 is a wasteful number, since it uses less digits than its factorization.

28697536298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391512.

The product of its digits is 78382080, while the sum is 65.

The spelling of 28697536298 in words is "twenty-eight billion, six hundred ninety-seven million, five hundred thirty-six thousand, two hundred ninety-eight".