780830005025 has 36 divisors (see below), whose sum is σ = 1127075719680. Its totient is φ = 535061066400.

The previous prime is 780830004979. The next prime is 780830005031. The reversal of 780830005025 is 520500038087.

It is not a de Polignac number, because 780830005025 - 2¹⁰ = 780830004001 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 780830005025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1585316 + ... + 2018634.

It is an arithmetic number, because the mean of its divisors is an integer number (31307658880).

Almost surely, 2^780830005025 is an apocalyptic number.

It is an amenable number.

780830005025 is a deficient number, since it is larger than the sum of its proper divisors (346245714655).

780830005025 is a wasteful number, since it uses less digits than its factorization.

780830005025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434814 (or 434802 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 780830005025 in words is "seven hundred eighty billion, eight hundred thirty million, five thousand, twenty-five".