779099 has 4 divisors (see below), whose sum is σ = 782136. Its totient is φ = 776064.

The previous prime is 779081. The next prime is 779101. The reversal of 779099 is 990977.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 779099 - 2¹⁶ = 713563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (779039) 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, 1094 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (195534).

2⁷⁷⁹⁰⁹⁹ is an apocalyptic number.

779099 is a deficient number, since it is larger than the sum of its proper divisors (3037).

779099 is a wasteful number, since it uses less digits than its factorization.

779099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036.

The product of its (nonzero) digits is 35721, while the sum is 41.

The square root of 779099 is about 882.6658484387. The cubic root of 779099 is about 92.0161833535.

The spelling of 779099 in words is "seven hundred seventy-nine thousand, ninety-nine".