780409103 has 8 divisors (see below), whose sum is σ = 797935872. Its totient is φ = 762920856.

The previous prime is 780409093. The next prime is 780409121. The reversal of 780409103 is 301904087.

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 780409103 - 2⁴ = 780409087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 780409103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780409183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33476 + ... + 51782.

It is an arithmetic number, because the mean of its divisors is an integer number (99741984).

Almost surely, 2^780409103 is an apocalyptic number.

780409103 is a deficient number, since it is larger than the sum of its proper divisors (17526769).

780409103 is a wasteful number, since it uses less digits than its factorization.

780409103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19261.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 780409103 is about 27935.8032460139. The cubic root of 780409103 is about 920.6773143220.

The spelling of 780409103 in words is "seven hundred eighty million, four hundred nine thousand, one hundred three".