97680192728 has 8 divisors (see below), whose sum is σ = 183150361380. Its totient is φ = 48840096360.

The previous prime is 97680192697. The next prime is 97680192737. The reversal of 97680192728 is 82729108679.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105012038 + ... + 6105012053.

Almost surely, 2^97680192728 is an apocalyptic number.

It is an amenable number.

97680192728 is a deficient number, since it is larger than the sum of its proper divisors (85470168652).

97680192728 is a wasteful number, since it uses less digits than its factorization.

97680192728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12210024097 (or 12210024093 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 59.

The spelling of 97680192728 in words is "ninety-seven billion, six hundred eighty million, one hundred ninety-two thousand, seven hundred twenty-eight".