799479779 has 8 divisors (see below), whose sum is σ = 934940160. Its totient is φ = 669331656.

The previous prime is 799479731. The next prime is 799479833. The reversal of 799479779 is 977974997.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 799479779 - 2⁸ = 799479523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (799470779) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1327739 + ... + 1328340.

It is an arithmetic number, because the mean of its divisors is an integer number (116867520).

Almost surely, 2^799479779 is an apocalyptic number.

799479779 is a deficient number, since it is larger than the sum of its proper divisors (135460381).

799479779 is a wasteful number, since it uses less digits than its factorization.

799479779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656129.

The product of its digits is 63011844, while the sum is 68.

The square root of 799479779 is about 28275.0734570222. The cubic root of 799479779 is about 928.1165020917.

The spelling of 799479779 in words is "seven hundred ninety-nine million, four hundred seventy-nine thousand, seven hundred seventy-nine".