997118333 has 8 divisors (see below), whose sum is σ = 1044622656. Its totient is φ = 949960000.

The previous prime is 997118303. The next prime is 997118351. The reversal of 997118333 is 333811799.

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 997118333 - 2⁸ = 997118077 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 (997118303) 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, 80588 + ... + 92133.

It is an arithmetic number, because the mean of its divisors is an integer number (130577832).

Almost surely, 2^997118333 is an apocalyptic number.

It is an amenable number.

997118333 is a deficient number, since it is larger than the sum of its proper divisors (47504323).

997118333 is a wasteful number, since it uses less digits than its factorization.

997118333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172995.

The product of its digits is 122472, while the sum is 44.

The square root of 997118333 is about 31577.1805739525. The cubic root of 997118333 is about 999.0385201862.

The spelling of 997118333 in words is "nine hundred ninety-seven million, one hundred eighteen thousand, three hundred thirty-three".