97161759279 has 16 divisors (see below), whose sum is σ = 155015912800. Its totient is φ = 59791851648.

The previous prime is 97161759263. The next prime is 97161759311. The reversal of 97161759279 is 97295716179.

97161759279 is a `hidden beast` number, since 9 + 7 + 1 + 617 + 5 + 9 + 2 + 7 + 9 = 666.

It is not a de Polignac number, because 97161759279 - 2⁴ = 97161759263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97161759479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138406714 + ... + 138407415.

It is an arithmetic number, because the mean of its divisors is an integer number (9688494550).

Almost surely, 2^97161759279 is an apocalyptic number.

97161759279 is a deficient number, since it is larger than the sum of its proper divisors (57854153521).

97161759279 is a wasteful number, since it uses less digits than its factorization.

97161759279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276814151 (or 276814145 counting only the distinct ones).

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

The spelling of 97161759279 in words is "ninety-seven billion, one hundred sixty-one million, seven hundred fifty-nine thousand, two hundred seventy-nine".