780227 has 6 divisors (see below), whose sum is σ = 907668. Its totient is φ = 668724.

The previous prime is 780223. The next prime is 780233. The reversal of 780227 is 722087.

It is not a de Polignac number, because 780227 - 2² = 780223 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 780196 and 780205.

It is not an unprimeable number, because it can be changed into a prime (780223) 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 5 ways as a sum of consecutive naturals, for example, 7913 + ... + 8010.

It is an arithmetic number, because the mean of its divisors is an integer number (151278).

2⁷⁸⁰²²⁷ is an apocalyptic number.

780227 is a deficient number, since it is larger than the sum of its proper divisors (127441).

780227 is a wasteful number, since it uses less digits than its factorization.

780227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15937 (or 15930 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 780227 is about 883.3045907273. The cubic root of 780227 is about 92.0605697550.

The spelling of 780227 in words is "seven hundred eighty thousand, two hundred twenty-seven".