97571117 has 4 divisors (see below), whose sum is σ = 111509856. Its totient is φ = 83632380.

The previous prime is 97571077. The next prime is 97571141. The reversal of 97571117 is 71117579.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97571117 - 2¹² = 97567021 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 (97571417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6969359 + ... + 6969372.

It is an arithmetic number, because the mean of its divisors is an integer number (27877464).

Almost surely, 2^97571117 is an apocalyptic number.

It is an amenable number.

97571117 is a deficient number, since it is larger than the sum of its proper divisors (13938739).

97571117 is a wasteful number, since it uses less digits than its factorization.

97571117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13938738.

The product of its digits is 15435, while the sum is 38.

The square root of 97571117 is about 9877.8093219094. The cubic root of 97571117 is about 460.3700818269.

The spelling of 97571117 in words is "ninety-seven million, five hundred seventy-one thousand, one hundred seventeen".