797965158 has 16 divisors (see below), whose sum is σ = 1598988096. Its totient is φ = 265478760.

The previous prime is 797965139. The next prime is 797965213. The reversal of 797965158 is 851569797.

It is a junction number, because it is equal to n+sod(n) for n = 797965098 and 797965107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124008 + ... + 130283.

It is an arithmetic number, because the mean of its divisors is an integer number (99936756).

Almost surely, 2^797965158 is an apocalyptic number.

797965158 is an abundant number, since it is smaller than the sum of its proper divisors (801022938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

797965158 is a wasteful number, since it uses less digits than its factorization.

797965158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254819.

The product of its digits is 4762800, while the sum is 57.

The square root of 797965158 is about 28248.2770802044. The cubic root of 797965158 is about 927.5300234637.

It can be divided in two parts, 7979 and 65158, that added together give a palindrome (73137).

The spelling of 797965158 in words is "seven hundred ninety-seven million, nine hundred sixty-five thousand, one hundred fifty-eight".