97117277 has 8 divisors (see below), whose sum is σ = 103131000. Its totient is φ = 91137024.

The previous prime is 97117249. The next prime is 97117289. The reversal of 97117277 is 77271179.

It can be written as a sum of positive squares in 4 ways, for example, as 27994681 + 69122596 = 5291^2 + 8314^2 .

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 97117277 - 2⁶ = 97117213 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 (97117577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2252 + ... + 14117.

It is an arithmetic number, because the mean of its divisors is an integer number (12891375).

Almost surely, 2^97117277 is an apocalyptic number.

It is an amenable number.

97117277 is a deficient number, since it is larger than the sum of its proper divisors (6013723).

97117277 is a wasteful number, since it uses less digits than its factorization.

97117277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16735.

The product of its digits is 43218, while the sum is 41.

The square root of 97117277 is about 9854.8098408848. The cubic root of 97117277 is about 459.6551874053.

The spelling of 97117277 in words is "ninety-seven million, one hundred seventeen thousand, two hundred seventy-seven".