797247197 has 4 divisors (see below), whose sum is σ = 797341116. Its totient is φ = 797153280.

The previous prime is 797247193. The next prime is 797247203. The reversal of 797247197 is 791742797.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 202179961 + 595067236 = 14219^2 + 24394^2 .

It is a cyclic number.

It is not a de Polignac number, because 797247197 - 2² = 797247193 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 (797247193) 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, 32804 + ... + 51677.

It is an arithmetic number, because the mean of its divisors is an integer number (199335279).

Almost surely, 2^797247197 is an apocalyptic number.

It is an amenable number.

797247197 is a deficient number, since it is larger than the sum of its proper divisors (93919).

797247197 is an equidigital number, since it uses as much as digits as its factorization.

797247197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93918.

The product of its digits is 1555848, while the sum is 53.

The square root of 797247197 is about 28235.5661710545. The cubic root of 797247197 is about 927.2517614378.

The spelling of 797247197 in words is "seven hundred ninety-seven million, two hundred forty-seven thousand, one hundred ninety-seven".