780830735459 has 4 divisors (see below), whose sum is σ = 798989589816. Its totient is φ = 762671881104.

The previous prime is 780830735413. The next prime is 780830735479. The reversal of 780830735459 is 954537038087.

It is a happy number.

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 780830735459 - 2²⁸ = 780562300003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 780830735398 and 780830735407.

It is not an unprimeable number, because it can be changed into a prime (780830735479) 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, 9079427114 + ... + 9079427199.

It is an arithmetic number, because the mean of its divisors is an integer number (199747397454).

Almost surely, 2^780830735459 is an apocalyptic number.

780830735459 is a deficient number, since it is larger than the sum of its proper divisors (18158854357).

780830735459 is a wasteful number, since it uses less digits than its factorization.

780830735459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18158854356.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 780830735459 in words is "seven hundred eighty billion, eight hundred thirty million, seven hundred thirty-five thousand, four hundred fifty-nine".