997092117 has 24 divisors (see below), whose sum is σ = 1651218816. Its totient is φ = 567958176.

The previous prime is 997092097. The next prime is 997092119. The reversal of 997092117 is 711290799.

It is not a de Polignac number, because 997092117 - 2⁷ = 997091989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997092119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4993 + ... + 44934.

It is an arithmetic number, because the mean of its divisors is an integer number (68800784).

Almost surely, 2^997092117 is an apocalyptic number.

It is an amenable number.

997092117 is a deficient number, since it is larger than the sum of its proper divisors (654126699).

997092117 is a wasteful number, since it uses less digits than its factorization.

997092117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50257 (or 50254 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 45.

The square root of 997092117 is about 31576.7654613325. The cubic root of 997092117 is about 999.0297646144.

The spelling of 997092117 in words is "nine hundred ninety-seven million, ninety-two thousand, one hundred seventeen".