797255128 has 8 divisors (see below), whose sum is σ = 1494853380. Its totient is φ = 398627560.

The previous prime is 797255101. The next prime is 797255189. The reversal of 797255128 is 821552797.

It is a happy number.

797255128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49828438 + ... + 49828453.

Almost surely, 2^797255128 is an apocalyptic number.

It is an amenable number.

797255128 is a deficient number, since it is larger than the sum of its proper divisors (697598252).

797255128 is a wasteful number, since it uses less digits than its factorization.

797255128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99656897 (or 99656893 counting only the distinct ones).

The product of its digits is 352800, while the sum is 46.

The square root of 797255128 is about 28235.7066141437. The cubic root of 797255128 is about 927.2548361885.

The spelling of 797255128 in words is "seven hundred ninety-seven million, two hundred fifty-five thousand, one hundred twenty-eight".