997376897 has 8 divisors (see below), whose sum is σ = 1088389920. Its totient is φ = 906420960.

The previous prime is 997376869. The next prime is 997376909. The reversal of 997376897 is 798673799.

997376897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 997376897 - 2⁶ = 997376833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (997376837) 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, 27629 + ... + 52517.

It is an arithmetic number, because the mean of its divisors is an integer number (136048740).

Almost surely, 2^997376897 is an apocalyptic number.

It is an amenable number.

997376897 is a deficient number, since it is larger than the sum of its proper divisors (91013023).

997376897 is a wasteful number, since it uses less digits than its factorization.

997376897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28543.

The product of its digits is 36006768, while the sum is 65.

The square root of 997376897 is about 31581.2744676335. The cubic root of 997376897 is about 999.1248666984.

The spelling of 997376897 in words is "nine hundred ninety-seven million, three hundred seventy-six thousand, eight hundred ninety-seven".