997350117 has 8 divisors (see below), whose sum is σ = 1332873024. Its totient is φ = 663363648.

The previous prime is 997350113. The next prime is 997350139. The reversal of 997350117 is 711053799.

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

It is not a de Polignac number, because 997350117 - 2² = 997350113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997350113) 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, 382593 + ... + 385190.

It is an arithmetic number, because the mean of its divisors is an integer number (166609128).

Almost surely, 2^997350117 is an apocalyptic number.

It is an amenable number.

997350117 is a deficient number, since it is larger than the sum of its proper divisors (335522907).

997350117 is a wasteful number, since it uses less digits than its factorization.

997350117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768219.

The product of its (nonzero) digits is 59535, while the sum is 42.

The square root of 997350117 is about 31580.8504793649. The cubic root of 997350117 is about 999.1159243072.

The spelling of 997350117 in words is "nine hundred ninety-seven million, three hundred fifty thousand, one hundred seventeen".