780797360 has 120 divisors (see below), whose sum is σ = 2121248160. Its totient is φ = 266499072.

The previous prime is 780797321. The next prime is 780797389. The reversal of 780797360 is 63797087.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1603037 + ... + 1603523.

It is an arithmetic number, because the mean of its divisors is an integer number (17677068).

Almost surely, 2^780797360 is an apocalyptic number.

780797360 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 780797360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060624080).

780797360 is an abundant number, since it is smaller than the sum of its proper divisors (1340450800).

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

780797360 is a wasteful number, since it uses less digits than its factorization.

780797360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 780797360 is about 27942.7514751143. The cubic root of 780797360 is about 920.8299693623.

The spelling of 780797360 in words is "seven hundred eighty million, seven hundred ninety-seven thousand, three hundred sixty".