780029041 has 9 divisors (see below), whose sum is σ = 857725113. Its totient is φ = 708838020.

The previous prime is 780029039. The next prime is 780029051. The reversal of 780029041 is 140920087.

The square root of 780029041 is 27929.

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

It is not a de Polignac number, because 780029041 - 2¹ = 780029039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 780028994 and 780029012.

It is not an unprimeable number, because it can be changed into a prime (780029011) 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 8 ways as a sum of consecutive naturals, for example, 305950 + ... + 308488.

Almost surely, 2^780029041 is an apocalyptic number.

780029041 is the 27929-th square number.

780029041 is the 13965-th centered octagonal number.

It is an amenable number.

780029041 is a deficient number, since it is larger than the sum of its proper divisors (77696072).

780029041 is an frugal number, since it uses more digits than its factorization.

780029041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100 (or 2550 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The cubic root of 780029041 is about 920.5278323478.

The spelling of 780029041 in words is "seven hundred eighty million, twenty-nine thousand, forty-one".