780543712 has 192 divisors, whose sum is σ = 1906390080. Its totient is φ = 310542336.

The previous prime is 780543689. The next prime is 780543713. The reversal of 780543712 is 217345087.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780543713) 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 31 ways as a sum of consecutive naturals, for example, 4971538 + ... + 4971694.

It is an arithmetic number, because the mean of its divisors is an integer number (9929115).

Almost surely, 2^780543712 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 780543712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (953195040).

780543712 is an abundant number, since it is smaller than the sum of its proper divisors (1125846368).

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

780543712 is a wasteful number, since it uses less digits than its factorization.

780543712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 780543712 is about 27938.2123980759. The cubic root of 780543712 is about 920.7302456744.

Adding to 780543712 its reverse (217345087), we get a palindrome (997888799).

The spelling of 780543712 in words is "seven hundred eighty million, five hundred forty-three thousand, seven hundred twelve".