779235130 has 16 divisors (see below), whose sum is σ = 1404330120. Its totient is φ = 311314752.

The previous prime is 779235109. The next prime is 779235131. The reversal of 779235130 is 31532977.

It can be written as a sum of positive squares in 4 ways, for example, as 772228521 + 7006609 = 27789^2 + 2647^2 .

It is a super-2 number, since 2×779235130² = 1214414775652233800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 779235130.

It is not an unprimeable number, because it can be changed into a prime (779235131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38709 + ... + 55288.

Almost surely, 2^779235130 is an apocalyptic number.

779235130 is a deficient number, since it is larger than the sum of its proper divisors (625094990).

779235130 is a wasteful number, since it uses less digits than its factorization.

779235130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94833.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 779235130 is about 27914.7833593600. The cubic root of 779235130 is about 920.2154229311.

The spelling of 779235130 in words is "seven hundred seventy-nine million, two hundred thirty-five thousand, one hundred thirty".