780534320053 has 16 divisors (see below), whose sum is σ = 825461683200. Its totient is φ = 735997019760.

The previous prime is 780534320029. The next prime is 780534320113. The reversal of 780534320053 is 350023435087.

It is a cyclic number.

It is not a de Polignac number, because 780534320053 - 2⁹ = 780534319541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 780534319988 and 780534320015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780534320003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5172450 + ... + 5321212.

It is an arithmetic number, because the mean of its divisors is an integer number (51591355200).

Almost surely, 2^780534320053 is an apocalyptic number.

It is an amenable number.

780534320053 is a deficient number, since it is larger than the sum of its proper divisors (44927363147).

780534320053 is a wasteful number, since it uses less digits than its factorization.

780534320053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150072.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 780534320053 in words is "seven hundred eighty billion, five hundred thirty-four million, three hundred twenty thousand, fifty-three".