97798117 has 8 divisors (see below), whose sum is σ = 100020096. Its totient is φ = 95582112.

The previous prime is 97798097. The next prime is 97798123. The reversal of 97798117 is 71189779.

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 97798117 - 2¹⁹ = 97273829 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 (97798157) 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, 54913 + ... + 56665.

It is an arithmetic number, because the mean of its divisors is an integer number (12502512).

Almost surely, 2^97798117 is an apocalyptic number.

It is an amenable number.

97798117 is a deficient number, since it is larger than the sum of its proper divisors (2221979).

97798117 is a wasteful number, since it uses less digits than its factorization.

97798117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987.

The product of its digits is 222264, while the sum is 49.

The square root of 97798117 is about 9889.2930485450. The cubic root of 97798117 is about 460.7268235665.

The spelling of 97798117 in words is "ninety-seven million, seven hundred ninety-eight thousand, one hundred seventeen".