780748412 has 12 divisors (see below), whose sum is σ = 1367348640. Its totient is φ = 390077376.

The previous prime is 780748403. The next prime is 780748427. The reversal of 780748412 is 214847087.

It is a happy number.

780748412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 780748412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68237 + ... + 78852.

It is an arithmetic number, because the mean of its divisors is an integer number (113945720).

Almost surely, 2^780748412 is an apocalyptic number.

It is an amenable number.

780748412 is a deficient number, since it is larger than the sum of its proper divisors (586600228).

780748412 is a wasteful number, since it uses less digits than its factorization.

780748412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148420 (or 148418 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 41.

The square root of 780748412 is about 27941.8755991791. The cubic root of 780748412 is about 920.8107267565.

The spelling of 780748412 in words is "seven hundred eighty million, seven hundred forty-eight thousand, four hundred twelve".