780019746712 has 32 divisors (see below), whose sum is σ = 1503109699200. Its totient is φ = 379205155584.

The previous prime is 780019746673. The next prime is 780019746767. The reversal of 780019746712 is 217647910087.

It is a self number, because there is not a number n which added to its sum of digits gives 780019746712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489693 + ... + 1341580.

It is an arithmetic number, because the mean of its divisors is an integer number (46972178100).

Almost surely, 2^780019746712 is an apocalyptic number.

It is an amenable number.

780019746712 is a deficient number, since it is larger than the sum of its proper divisors (723089952488).

780019746712 is a wasteful number, since it uses less digits than its factorization.

780019746712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832755 (or 1832751 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 780019746712 in words is "seven hundred eighty billion, nineteen million, seven hundred forty-six thousand, seven hundred twelve".