797309774 has 4 divisors (see below), whose sum is σ = 1195964664. Its totient is φ = 398654886.

The previous prime is 797309729. The next prime is 797309797. The reversal of 797309774 is 477903797.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 477903797 = 7 ⋅68271971.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199327442 + ... + 199327445.

It is an arithmetic number, because the mean of its divisors is an integer number (298991166).

Almost surely, 2^797309774 is an apocalyptic number.

797309774 is a deficient number, since it is larger than the sum of its proper divisors (398654890).

797309774 is a wasteful number, since it uses less digits than its factorization.

797309774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398654889.

The product of its (nonzero) digits is 2333772, while the sum is 53.

The square root of 797309774 is about 28236.6742730089. The cubic root of 797309774 is about 927.2760212138.

The spelling of 797309774 in words is "seven hundred ninety-seven million, three hundred nine thousand, seven hundred seventy-four".