97127695971 has 32 divisors (see below), whose sum is σ = 146459822400. Its totient is φ = 63599696640.

The previous prime is 97127695957. The next prime is 97127695991. The reversal of 97127695971 is 17959672179.

It is not a de Polignac number, because 97127695971 - 2⁹ = 97127695459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97127695899 and 97127695908.

It is not an unprimeable number, because it can be changed into a prime (97127695921) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 1126135 + ... + 1209311.

It is an arithmetic number, because the mean of its divisors is an integer number (4576869450).

Almost surely, 2^97127695971 is an apocalyptic number.

97127695971 is a deficient number, since it is larger than the sum of its proper divisors (49332126429).

97127695971 is a wasteful number, since it uses less digits than its factorization.

97127695971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83956 (or 83950 counting only the distinct ones).

The product of its digits is 15002820, while the sum is 63.

The spelling of 97127695971 in words is "ninety-seven billion, one hundred twenty-seven million, six hundred ninety-five thousand, nine hundred seventy-one".