797397632 has 32 divisors (see below), whose sum is σ = 1590827700. Its totient is φ = 398131200.

The previous prime is 797397613. The next prime is 797397637. The reversal of 797397632 is 236793797.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 715241536 + 82156096 = 26744^2 + 9064^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (797397637) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 94382 + ... + 102482.

Almost surely, 2^797397632 is an apocalyptic number.

It is an amenable number.

797397632 is a deficient number, since it is larger than the sum of its proper divisors (793430068).

797397632 is an equidigital number, since it uses as much as digits as its factorization.

797397632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8884 (or 8872 counting only the distinct ones).

The product of its digits is 3000564, while the sum is 53.

The square root of 797397632 is about 28238.2299728577. The cubic root of 797397632 is about 927.3100797555.

The spelling of 797397632 in words is "seven hundred ninety-seven million, three hundred ninety-seven thousand, six hundred thirty-two".