780568 has 8 divisors (see below), whose sum is σ = 1463580. Its totient is φ = 390280.

The previous prime is 780553. The next prime is 780583. The reversal of 780568 is 865087.

780568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (780553) and next prime (780583).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48778 + ... + 48793.

2⁷⁸⁰⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

780568 is a deficient number, since it is larger than the sum of its proper divisors (683012).

780568 is a wasteful number, since it uses less digits than its factorization.

780568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97577 (or 97573 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 780568 is about 883.4975947902. The cubic root of 780568 is about 92.0739795626.

The spelling of 780568 in words is "seven hundred eighty thousand, five hundred sixty-eight".