97783198012 has 6 divisors (see below), whose sum is σ = 171120596528. Its totient is φ = 48891599004.

The previous prime is 97783197989. The next prime is 97783198057. The reversal of 97783198012 is 21089138779.

It is a congruent number.

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, 12222899748 + ... + 12222899755.

Almost surely, 2^97783198012 is an apocalyptic number.

It is an amenable number.

97783198012 is a deficient number, since it is larger than the sum of its proper divisors (73337398516).

97783198012 is a wasteful number, since it uses less digits than its factorization.

97783198012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24445799507 (or 24445799505 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 55.

The spelling of 97783198012 in words is "ninety-seven billion, seven hundred eighty-three million, one hundred ninety-eight thousand, twelve".