780032108243 has 4 divisors (see below), whose sum is σ = 786935047368. Its totient is φ = 773129169120.

The previous prime is 780032108209. The next prime is 780032108249. The reversal of 780032108243 is 342801230087.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 780032108243 - 2¹² = 780032104147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 780032108197 and 780032108206.

It is not an unprimeable number, because it can be changed into a prime (780032108249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3451469393 + ... + 3451469618.

It is an arithmetic number, because the mean of its divisors is an integer number (196733761842).

Almost surely, 2^780032108243 is an apocalyptic number.

780032108243 is a deficient number, since it is larger than the sum of its proper divisors (6902939125).

780032108243 is a wasteful number, since it uses less digits than its factorization.

780032108243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902939124.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 780032108243 in words is "seven hundred eighty billion, thirty-two million, one hundred eight thousand, two hundred forty-three".