780873533003 has 12 divisors (see below), whose sum is σ = 790641070128. Its totient is φ = 771218094240.

The previous prime is 780873532991. The next prime is 780873533009. The reversal of 780873533003 is 300335378087.

It is a de Polignac number, because none of the positive numbers 2^k-780873533003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (780873533009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3589325 + ... + 3800657.

It is an arithmetic number, because the mean of its divisors is an integer number (65886755844).

Almost surely, 2^780873533003 is an apocalyptic number.

780873533003 is a deficient number, since it is larger than the sum of its proper divisors (9767537125).

780873533003 is a wasteful number, since it uses less digits than its factorization.

780873533003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211862 (or 211753 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 780873533003 in words is "seven hundred eighty billion, eight hundred seventy-three million, five hundred thirty-three thousand, three".