780264822276 has 27 divisors (see below), whose sum is σ = 1972349475733. Its totient is φ = 260086507440.

The previous prime is 780264822217. The next prime is 780264822277. The reversal of 780264822276 is 672228462087.

The square root of 780264822276 is 883326.

It is a perfect power (a square), and thus also a powerful number.

780264822276 is a `hidden beast` number, since 7 + 80 + 264 + 82 + 227 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 463115636676 + 317149185600 = 680526^2 + 563160^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (780264822277) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5226346 + ... + 5373566.

Almost surely, 2^780264822276 is an apocalyptic number.

780264822276 is the 883326-th square number.

It is an amenable number.

780264822276 is an abundant number, since it is smaller than the sum of its proper divisors (1192084653457).

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

780264822276 is an frugal number, since it uses more digits than its factorization.

780264822276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294452 (or 147226 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 780264822276 in words is "seven hundred eighty billion, two hundred sixty-four million, eight hundred twenty-two thousand, two hundred seventy-six".