780575784004 has 9 divisors (see below), whose sum is σ = 1366010714271. Its totient is φ = 390287008500.

The previous prime is 780575783983. The next prime is 780575784083. The reversal of 780575784004 is 400487575087.

The square root of 780575784004 is 883502.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1546129 + ... + 1987879.

Almost surely, 2^780575784004 is an apocalyptic number.

780575784004 is the 883502-nd square number.

It is an amenable number.

780575784004 is a deficient number, since it is larger than the sum of its proper divisors (585434930267).

780575784004 is an frugal number, since it uses more digits than its factorization.

780575784004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883506 (or 441753 counting only the distinct ones).

The product of its (nonzero) digits is 8780800, while the sum is 55.

The spelling of 780575784004 in words is "seven hundred eighty billion, five hundred seventy-five million, seven hundred eighty-four thousand, four".