780941994 has 16 divisors (see below), whose sum is σ = 1785010368. Its totient is φ = 223126272.

The previous prime is 780941969. The next prime is 780942011. The reversal of 780941994 is 499149087.

780941994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9296887 + ... + 9296970.

It is an arithmetic number, because the mean of its divisors is an integer number (111563148).

Almost surely, 2^780941994 is an apocalyptic number.

780941994 is an abundant number, since it is smaller than the sum of its proper divisors (1004068374).

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

780941994 is a wasteful number, since it uses less digits than its factorization.

780941994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18593869.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 780941994 is about 27945.3393967581. The cubic root of 780941994 is about 920.8868236781.

The spelling of 780941994 in words is "seven hundred eighty million, nine hundred forty-one thousand, nine hundred ninety-four".