97157317 has 8 divisors (see below), whose sum is σ = 105570560. Its totient is φ = 89074080.

The previous prime is 97157311. The next prime is 97157341. The reversal of 97157317 is 71375179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97157317 - 2⁷ = 97157189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97157317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97157311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81888 + ... + 83065.

It is an arithmetic number, because the mean of its divisors is an integer number (13196320).

Almost surely, 2^97157317 is an apocalyptic number.

It is an amenable number.

97157317 is a deficient number, since it is larger than the sum of its proper divisors (8413243).

97157317 is a wasteful number, since it uses less digits than its factorization.

97157317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165003.

The product of its digits is 46305, while the sum is 40.

The square root of 97157317 is about 9856.8411268519. The cubic root of 97157317 is about 459.7183483778.

The spelling of 97157317 in words is "ninety-seven million, one hundred fifty-seven thousand, three hundred seventeen".