784631010436 has 243 divisors, whose sum is σ = 1798653389967. Its totient is φ = 298477146240.

The previous prime is 784631010419. The next prime is 784631010451. The reversal of 784631010436 is 634010136487.

The square root of 784631010436 is 885794.

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

784631010436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 253015036036 + 531615974400 = 503006^2 + 729120^2 .

It is a junction number, because it is equal to n+sod(n) for n = 784631010392 and 784631010401.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4997649670 + ... + 4997649826.

Almost surely, 2^784631010436 is an apocalyptic number.

784631010436 is the 885794-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 784631010436

784631010436 is an abundant number, since it is smaller than the sum of its proper divisors (1014022379531).

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

784631010436 is a wasteful number, since it uses less digits than its factorization.

784631010436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 784631010436 in words is "seven hundred eighty-four billion, six hundred thirty-one million, ten thousand, four hundred thirty-six".