797679265 has 4 divisors (see below), whose sum is σ = 957215124. Its totient is φ = 638143408.

The previous prime is 797679199. The next prime is 797679269. The reversal of 797679265 is 562976797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562976797 = 29 ⋅19412993.

It can be written as a sum of positive squares in 2 ways, for example, as 274001809 + 523677456 = 16553^2 + 22884^2 .

It is a cyclic number.

It is not a de Polignac number, because 797679265 - 2⁷ = 797679137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797679269) 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 3 ways as a sum of consecutive naturals, for example, 79767922 + ... + 79767931.

It is an arithmetic number, because the mean of its divisors is an integer number (239303781).

Almost surely, 2^797679265 is an apocalyptic number.

It is an amenable number.

797679265 is a deficient number, since it is larger than the sum of its proper divisors (159535859).

797679265 is a wasteful number, since it uses less digits than its factorization.

797679265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159535858.

The product of its digits is 10001880, while the sum is 58.

The square root of 797679265 is about 28243.2162651494. The cubic root of 797679265 is about 927.4192391713.

The spelling of 797679265 in words is "seven hundred ninety-seven million, six hundred seventy-nine thousand, two hundred sixty-five".