797502270391 has 4 divisors (see below), whose sum is σ = 797602053472. Its totient is φ = 797402487312.

The previous prime is 797502270379. The next prime is 797502270401. The reversal of 797502270391 is 193072205797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 193072205797 = 33013 ⋅5848369.

It is a cyclic number.

It is not a de Polignac number, because 797502270391 - 2¹³ = 797502262199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797502270311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49879551 + ... + 49895536.

It is an arithmetic number, because the mean of its divisors is an integer number (199400513368).

Almost surely, 2^797502270391 is an apocalyptic number.

797502270391 is a deficient number, since it is larger than the sum of its proper divisors (99783081).

797502270391 is an equidigital number, since it uses as much as digits as its factorization.

797502270391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99783080.

The product of its (nonzero) digits is 1666980, while the sum is 52.

The spelling of 797502270391 in words is "seven hundred ninety-seven billion, five hundred two million, two hundred seventy thousand, three hundred ninety-one".