780830812613 has 8 divisors (see below), whose sum is σ = 792606513600. Its totient is φ = 769121830048.

The previous prime is 780830812579. The next prime is 780830812637. The reversal of 780830812613 is 316218038087.

It is a happy number.

780830812613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 780830812613 - 2²⁰ = 780829764037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780830812693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16656023 + ... + 16702836.

It is an arithmetic number, because the mean of its divisors is an integer number (99075814200).

Almost surely, 2^780830812613 is an apocalyptic number.

It is an amenable number.

780830812613 is a deficient number, since it is larger than the sum of its proper divisors (11775700987).

780830812613 is a wasteful number, since it uses less digits than its factorization.

780830812613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33359211.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 780830812613 in words is "seven hundred eighty billion, eight hundred thirty million, eight hundred twelve thousand, six hundred thirteen".