97138570938 has 8 divisors (see below), whose sum is σ = 194277141888. Its totient is φ = 32379523644.

The previous prime is 97138570937. The next prime is 97138570943. The reversal of 97138570938 is 83907583179.

It is a sphenic number, since it is the product of 3 distinct primes.

97138570938 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (97138570937) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8094880906 + ... + 8094880917.

It is an arithmetic number, because the mean of its divisors is an integer number (24284642736).

Almost surely, 2^97138570938 is an apocalyptic number.

97138570938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97138570938 is a wasteful number, since it uses less digits than its factorization.

97138570938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16189761828.

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 97138570938 in words is "ninety-seven billion, one hundred thirty-eight million, five hundred seventy thousand, nine hundred thirty-eight".