797572819 has 4 divisors (see below), whose sum is σ = 825075360. Its totient is φ = 770070280.

The previous prime is 797572807. The next prime is 797572829. The reversal of 797572819 is 918275797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918275797 = 103 ⋅8915299.

It is a cyclic number.

It is not a de Polignac number, because 797572819 - 2¹⁷ = 797441747 is a prime.

It is a super-2 number, since 2×797572819² = 1272244803215213522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 797572819.

It is not an unprimeable number, because it can be changed into a prime (797572829) 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, 13751227 + ... + 13751284.

It is an arithmetic number, because the mean of its divisors is an integer number (206268840).

Almost surely, 2^797572819 is an apocalyptic number.

797572819 is a deficient number, since it is larger than the sum of its proper divisors (27502541).

797572819 is a wasteful number, since it uses less digits than its factorization.

797572819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27502540.

The product of its digits is 2222640, while the sum is 55.

The square root of 797572819 is about 28241.3317497600. The cubic root of 797572819 is about 927.3779843027.

The spelling of 797572819 in words is "seven hundred ninety-seven million, five hundred seventy-two thousand, eight hundred nineteen".