779255 has 4 divisors (see below), whose sum is σ = 935112. Its totient is φ = 623400.

The previous prime is 779249. The next prime is 779267. The reversal of 779255 is 552977.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552977 = 607 ⋅911.

It is not a de Polignac number, because 779255 - 2⁴ = 779239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 779255.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77921 + ... + 77930.

It is an arithmetic number, because the mean of its divisors is an integer number (233778).

2⁷⁷⁹²⁵⁵ is an apocalyptic number.

779255 is a deficient number, since it is larger than the sum of its proper divisors (155857).

779255 is a wasteful number, since it uses less digits than its factorization.

779255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155856.

The product of its digits is 22050, while the sum is 35.

The square root of 779255 is about 882.7542126776. The cubic root of 779255 is about 92.0223244501.

The spelling of 779255 in words is "seven hundred seventy-nine thousand, two hundred fifty-five".