799137797 has 4 divisors (see below), whose sum is σ = 801246720. Its totient is φ = 797028876.

The previous prime is 799137793. The next prime is 799137799. The reversal of 799137797 is 797731997.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 797731997 = 197 ⋅4049401.

It is a cyclic number.

It is not a de Polignac number, because 799137797 - 2² = 799137793 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 (799137791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053893 + ... + 1054650.

It is an arithmetic number, because the mean of its divisors is an integer number (200311680).

Almost surely, 2^799137797 is an apocalyptic number.

It is an amenable number.

799137797 is a deficient number, since it is larger than the sum of its proper divisors (2108923).

799137797 is a wasteful number, since it uses less digits than its factorization.

799137797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108922.

The product of its digits is 5250987, while the sum is 59.

The square root of 799137797 is about 28269.0253988354. The cubic root of 799137797 is about 927.9841475226.

The spelling of 799137797 in words is "seven hundred ninety-nine million, one hundred thirty-seven thousand, seven hundred ninety-seven".