997084911 has 8 divisors (see below), whose sum is σ = 1329698224. Its totient is φ = 664597440.

The previous prime is 997084909. The next prime is 997084927. The reversal of 997084911 is 119480799.

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

It is not a de Polignac number, because 997084911 - 2¹ = 997084909 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 (997084111) 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, 11086 + ... + 46011.

It is an arithmetic number, because the mean of its divisors is an integer number (166212278).

Almost surely, 2^997084911 is an apocalyptic number.

997084911 is a deficient number, since it is larger than the sum of its proper divisors (332613313).

997084911 is a wasteful number, since it uses less digits than its factorization.

997084911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62921.

The product of its (nonzero) digits is 163296, while the sum is 48.

The square root of 997084911 is about 31576.6513582425. The cubic root of 997084911 is about 999.0273579408.

The spelling of 997084911 in words is "nine hundred ninety-seven million, eighty-four thousand, nine hundred eleven".