779226340 has 12 divisors (see below), whose sum is σ = 1636375356. Its totient is φ = 311690528.

The previous prime is 779226251. The next prime is 779226341. The reversal of 779226340 is 43622977.

It can be written as a sum of positive squares in 2 ways, for example, as 612661504 + 166564836 = 24752^2 + 12906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 779226293 and 779226302.

It is not an unprimeable number, because it can be changed into a prime (779226341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19480639 + ... + 19480678.

It is an arithmetic number, because the mean of its divisors is an integer number (136364613).

Almost surely, 2^779226340 is an apocalyptic number.

It is an amenable number.

779226340 is an abundant number, since it is smaller than the sum of its proper divisors (857149016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

779226340 is a wasteful number, since it uses less digits than its factorization.

779226340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38961326 (or 38961324 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 779226340 is about 27914.6259154587. The cubic root of 779226340 is about 920.2119628184.

The spelling of 779226340 in words is "seven hundred seventy-nine million, two hundred twenty-six thousand, three hundred forty".