97218359 has 8 divisors (see below), whose sum is σ = 117642528. Its totient is φ = 78428160.

The previous prime is 97218343. The next prime is 97218367. The reversal of 97218359 is 95381279.

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 97218359 - 2⁴ = 97218343 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 (97218559) 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, 408362 + ... + 408599.

It is an arithmetic number, because the mean of its divisors is an integer number (14705316).

Almost surely, 2^97218359 is an apocalyptic number.

97218359 is a deficient number, since it is larger than the sum of its proper divisors (20424169).

97218359 is a wasteful number, since it uses less digits than its factorization.

97218359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816985.

The product of its digits is 136080, while the sum is 44.

The square root of 97218359 is about 9859.9370687647. The cubic root of 97218359 is about 459.8146055045.

The spelling of 97218359 in words is "ninety-seven million, two hundred eighteen thousand, three hundred fifty-nine".