799878229 has 4 divisors (see below), whose sum is σ = 800263584. Its totient is φ = 799492876.

The previous prime is 799878137. The next prime is 799878241. The reversal of 799878229 is 922878997.

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: 922878997 = 1103 ⋅836699.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-799878229 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 (799878259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189547 + ... + 193720.

It is an arithmetic number, because the mean of its divisors is an integer number (200065896).

Almost surely, 2^799878229 is an apocalyptic number.

It is an amenable number.

799878229 is a deficient number, since it is larger than the sum of its proper divisors (385355).

799878229 is a wasteful number, since it uses less digits than its factorization.

799878229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385354.

The product of its digits is 9144576, while the sum is 61.

The square root of 799878229 is about 28282.1185380445. The cubic root of 799878229 is about 928.2706634231.

The spelling of 799878229 in words is "seven hundred ninety-nine million, eight hundred seventy-eight thousand, two hundred twenty-nine".