797647744 has 16 divisors (see below), whose sum is σ = 1589064120. Its totient is φ = 398823808.

The previous prime is 797647729. The next prime is 797647777. The reversal of 797647744 is 447746797.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3115684 + ... + 3115939.

Almost surely, 2^797647744 is an apocalyptic number.

It is an amenable number.

797647744 is a deficient number, since it is larger than the sum of its proper divisors (791416376).

797647744 is an equidigital number, since it uses as much as digits as its factorization.

797647744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6231637 (or 6231625 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 55.

The square root of 797647744 is about 28242.6582318308. The cubic root of 797647744 is about 927.4070230806.

The spelling of 797647744 in words is "seven hundred ninety-seven million, six hundred forty-seven thousand, seven hundred forty-four".