97573307428 has 6 divisors (see below), whose sum is σ = 170753288006. Its totient is φ = 48786653712.

The previous prime is 97573307417. The next prime is 97573307471. The reversal of 97573307428 is 82470337579.

It can be written as a sum of positive squares in only one way, i.e., 82462014244 + 15111293184 = 287162^2 + 122928^2 .

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 as a sum of consecutive naturals, namely, 12196663425 + ... + 12196663432.

Almost surely, 2^97573307428 is an apocalyptic number.

It is an amenable number.

97573307428 is a deficient number, since it is larger than the sum of its proper divisors (73179980578).

97573307428 is a wasteful number, since it uses less digits than its factorization.

97573307428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24393326861 (or 24393326859 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 55.

The spelling of 97573307428 in words is "ninety-seven billion, five hundred seventy-three million, three hundred seven thousand, four hundred twenty-eight".