797723997 has 32 divisors (see below), whose sum is σ = 1314496512. Its totient is φ = 419890944.

The previous prime is 797723989. The next prime is 797724131. The reversal of 797723997 is 799327797.

It is not a de Polignac number, because 797723997 - 2³ = 797723989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 797723997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797723197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6993 + ... + 40550.

It is an arithmetic number, because the mean of its divisors is an integer number (41078016).

Almost surely, 2^797723997 is an apocalyptic number.

It is an amenable number.

797723997 is a deficient number, since it is larger than the sum of its proper divisors (516772515).

797723997 is a wasteful number, since it uses less digits than its factorization.

797723997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47617.

The product of its digits is 10501974, while the sum is 60.

The square root of 797723997 is about 28244.0081610242. The cubic root of 797723997 is about 927.4365746861.

The spelling of 797723997 in words is "seven hundred ninety-seven million, seven hundred twenty-three thousand, nine hundred ninety-seven".