97065961191 has 24 divisors (see below), whose sum is σ = 149767600320. Its totient is φ = 60365147136.

The previous prime is 97065961177. The next prime is 97065961211. The reversal of 97065961191 is 19116956079.

It is a happy number.

It is not a de Polignac number, because 97065961191 - 2⁵ = 97065961159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97065961171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2789871 + ... + 2824448.

It is an arithmetic number, because the mean of its divisors is an integer number (6240316680).

Almost surely, 2^97065961191 is an apocalyptic number.

97065961191 is a deficient number, since it is larger than the sum of its proper divisors (52701639129).

97065961191 is a wasteful number, since it uses less digits than its factorization.

97065961191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614455 (or 5614452 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 54.

The spelling of 97065961191 in words is "ninety-seven billion, sixty-five million, nine hundred sixty-one thousand, one hundred ninety-one".