780580 has 24 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 301920.

The previous prime is 780553. The next prime is 780583. The reversal of 780580 is 85087.

780580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×780580³ = 1426834210113336000, which contains 333 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10 + ... + 1249.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2⁷⁸⁰⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 780580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846720).

780580 is an abundant number, since it is smaller than the sum of its proper divisors (912860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

780580 is a wasteful number, since it uses less digits than its factorization.

780580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 780580 is about 883.5043859540. The cubic root of 780580 is about 92.0744513909.

The spelling of 780580 in words is "seven hundred eighty thousand, five hundred eighty".