779941225 has 48 divisors (see below), whose sum is σ = 1149390720. Its totient is φ = 513676800.

The previous prime is 779941223. The next prime is 779941229. The reversal of 779941225 is 522149977.

It is a happy number.

It is not a de Polignac number, because 779941225 - 2¹ = 779941223 is a prime.

It is a super-3 number, since 3×779941225³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (779941223) 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 47 ways as a sum of consecutive naturals, for example, 1588230 + ... + 1588720.

It is an arithmetic number, because the mean of its divisors is an integer number (23945640).

Almost surely, 2^779941225 is an apocalyptic number.

It is an amenable number.

779941225 is a deficient number, since it is larger than the sum of its proper divisors (369449495).

779941225 is a wasteful number, since it uses less digits than its factorization.

779941225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 845 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 779941225 is about 27927.4278264218. The cubic root of 779941225 is about 920.4932865803.

The spelling of 779941225 in words is "seven hundred seventy-nine million, nine hundred forty-one thousand, two hundred twenty-five".