97147171077 has 16 divisors (see below), whose sum is σ = 144751440960. Its totient is φ = 57441046400.

The previous prime is 97147171073. The next prime is 97147171111. The reversal of 97147171077 is 77017174179.

It is a cyclic number.

It is not a de Polignac number, because 97147171077 - 2² = 97147171073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97147171073) 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 15 ways as a sum of consecutive naturals, for example, 35899302 + ... + 35902007.

It is an arithmetic number, because the mean of its divisors is an integer number (9046965060).

Almost surely, 2^97147171077 is an apocalyptic number.

It is an amenable number.

97147171077 is a deficient number, since it is larger than the sum of its proper divisors (47604269883).

97147171077 is a wasteful number, since it uses less digits than its factorization.

97147171077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71801364.

The product of its (nonzero) digits is 605052, while the sum is 51.

The spelling of 97147171077 in words is "ninety-seven billion, one hundred forty-seven million, one hundred seventy-one thousand, seventy-seven".