97213355 has 8 divisors (see below), whose sum is σ = 117072864. Its totient is φ = 77492800.

The previous prime is 97213351. The next prime is 97213381. The reversal of 97213355 is 55331279.

It is a happy number.

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

It is not a de Polignac number, because 97213355 - 2² = 97213351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97213351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33191 + ... + 36000.

It is an arithmetic number, because the mean of its divisors is an integer number (14634108).

Almost surely, 2^97213355 is an apocalyptic number.

97213355 is a deficient number, since it is larger than the sum of its proper divisors (19859509).

97213355 is a wasteful number, since it uses less digits than its factorization.

97213355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69477.

The product of its digits is 28350, while the sum is 35.

The square root of 97213355 is about 9859.6833113442. The cubic root of 97213355 is about 459.8067162135.

The spelling of 97213355 in words is "ninety-seven million, two hundred thirteen thousand, three hundred fifty-five".