97728306322 has 8 divisors (see below), whose sum is σ = 146693353356. Its totient is φ = 48830521872.

The previous prime is 97728306301. The next prime is 97728306337. The reversal of 97728306322 is 22360382779.

It can be written as a sum of positive squares in 2 ways, for example, as 96403419121 + 1324887201 = 310489^2 + 36399^2 .

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, 16812013 + ... + 16817824.

Almost surely, 2^97728306322 is an apocalyptic number.

97728306322 is a deficient number, since it is larger than the sum of its proper divisors (48965047034).

97728306322 is a wasteful number, since it uses less digits than its factorization.

97728306322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33631292.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 97728306322 in words is "ninety-seven billion, seven hundred twenty-eight million, three hundred six thousand, three hundred twenty-two".