97978316422 has 24 divisors (see below), whose sum is σ = 175582769904. Its totient is φ = 40855821552.

The previous prime is 97978316417. The next prime is 97978316431. The reversal of 97978316422 is 22461387979.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13506898 + ... + 13514149.

It is an arithmetic number, because the mean of its divisors is an integer number (7315948746).

Almost surely, 2^97978316422 is an apocalyptic number.

97978316422 is a deficient number, since it is larger than the sum of its proper divisors (77604453482).

97978316422 is a wasteful number, since it uses less digits than its factorization.

97978316422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27021100 (or 27021093 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 58.

The spelling of 97978316422 in words is "ninety-seven billion, nine hundred seventy-eight million, three hundred sixteen thousand, four hundred twenty-two".