779085 has 32 divisors (see below), whose sum is σ = 1440000. Its totient is φ = 399168.

The previous prime is 779081. The next prime is 779101. The reversal of 779085 is 580977.

779085 is nontrivially palindromic in base 7.

It is not a de Polignac number, because 779085 - 2² = 779081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3816 + ... + 4014.

It is an arithmetic number, because the mean of its divisors is an integer number (45000).

2⁷⁷⁹⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

779085 is a deficient number, since it is larger than the sum of its proper divisors (660915).

779085 is a wasteful number, since it uses less digits than its factorization.

779085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 779085 is about 882.6579178821. The cubic root of 779085 is about 92.0156321893.

It can be divided in two parts, 7790 and 85, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 779085 in words is "seven hundred seventy-nine thousand, eighty-five".