780683396 has 12 divisors (see below), whose sum is σ = 1370591040. Its totient is φ = 389085960.

The previous prime is 780683377. The next prime is 780683399. The reversal of 780683396 is 693386087.

It is not an unprimeable number, because it can be changed into a prime (780683399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312536 + ... + 315023.

It is an arithmetic number, because the mean of its divisors is an integer number (114215920).

Almost surely, 2^780683396 is an apocalyptic number.

It is an amenable number.

780683396 is a deficient number, since it is larger than the sum of its proper divisors (589907644).

780683396 is a wasteful number, since it uses less digits than its factorization.

780683396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627874 (or 627872 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 780683396 is about 27940.7121598573. The cubic root of 780683396 is about 920.7851661999.

The spelling of 780683396 in words is "seven hundred eighty million, six hundred eighty-three thousand, three hundred ninety-six".