997276079 has 2 divisors, whose sum is σ = 997276080. Its totient is φ = 997276078.

The previous prime is 997276073. The next prime is 997276103. The reversal of 997276079 is 970672799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 997276079 - 2²⁴ = 980498863 is a prime.

It is a super-2 number, since 2×997276079² = 1989119155491228482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997276073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498638039 + 498638040.

It is an arithmetic number, because the mean of its divisors is an integer number (498638040).

Almost surely, 2^997276079 is an apocalyptic number.

997276079 is a deficient number, since it is larger than the sum of its proper divisors (1).

997276079 is an equidigital number, since it uses as much as digits as its factorization.

997276079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000564, while the sum is 56.

The square root of 997276079 is about 31579.6782599190. The cubic root of 997276079 is about 999.0912006673.

The spelling of 997276079 in words is "nine hundred ninety-seven million, two hundred seventy-six thousand, seventy-nine".