997079168 has 24 divisors (see below), whose sum is σ = 1987080615.
Its totient is φ = 498360960.
The previous prime is 997079143. The next prime is 997079191. The reversal of 997079168 is 861970799.
It is a powerful number, because all its prime factors have an exponent greater than 1
and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 498539584 + 498539584 = 22328^2 + 22328^2
It is an ABA number since it can be written as A⋅BA, here for A=2, B=22328.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 355853 + ... + 358643.
Almost surely, 2997079168 is an apocalyptic number.
It is an amenable number.
997079168 is a deficient number, since it is larger than the sum of its proper divisors (990001447).
997079168 is an frugal number, since it uses more digits than its factorization.
997079168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5596 (or 2793 counting only the distinct ones).
The product of its (nonzero) digits is 1714608, while the sum is 56.
The square root of 997079168 is about 31576.5604206665.
The cubic root of 997079168 is about 999.0254398744.
The spelling of 997079168 in words is "nine hundred ninety-seven million, seventy-nine thousand, one hundred sixty-eight".