28697834705296 has 15 divisors (see below), whose sum is σ = 55602096258571. Its totient is φ = 14348906638576.

The previous prime is 28697834705279. The next prime is 28697834705341. The reversal of 28697834705296 is 69250743879682.

The square root of 28697834705296 is 5357036.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20758515 + ... + 22097773.

Almost surely, 2^{28697834705296} is an apocalyptic number.

28697834705296 is the 5357036-th square number.

It is an amenable number.

28697834705296 is a deficient number, since it is larger than the sum of its proper divisors (26904261553275).

28697834705296 is an frugal number, since it uses more digits than its factorization.

28697834705296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678526 (or 1339261 counting only the distinct ones).

The product of its (nonzero) digits is 2194698240, while the sum is 76.

The spelling of 28697834705296 in words is "twenty-eight trillion, six hundred ninety-seven billion, eight hundred thirty-four million, seven hundred five thousand, two hundred ninety-six".