97133993 has 8 divisors (see below), whose sum is σ = 106150176. Its totient is φ = 88148800.

The previous prime is 97133989. The next prime is 97134013. The reversal of 97133993 is 39933179.

It is a happy number.

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 97133993 - 2² = 97133989 is a prime.

It is a super-2 number, since 2×97133993² = 18870025192248098, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97133923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923 + ... + 13968.

It is an arithmetic number, because the mean of its divisors is an integer number (13268772).

Almost surely, 2^97133993 is an apocalyptic number.

It is an amenable number.

97133993 is a deficient number, since it is larger than the sum of its proper divisors (9016183).

97133993 is a wasteful number, since it uses less digits than its factorization.

97133993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15495.

The product of its digits is 137781, while the sum is 44.

The square root of 97133993 is about 9855.6579181707. The cubic root of 97133993 is about 459.6815581176.

The spelling of 97133993 in words is "ninety-seven million, one hundred thirty-three thousand, nine hundred ninety-three".