778560982 has 8 divisors (see below), whose sum is σ = 1170479016. Its totient is φ = 388401312.

The previous prime is 778560973. The next prime is 778561009. The reversal of 778560982 is 289065877.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438483 + ... + 440254.

It is an arithmetic number, because the mean of its divisors is an integer number (146309877).

Almost surely, 2^778560982 is an apocalyptic number.

778560982 is a deficient number, since it is larger than the sum of its proper divisors (391918034).

778560982 is a wasteful number, since it uses less digits than its factorization.

778560982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879182.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The square root of 778560982 is about 27902.7056394178. The cubic root of 778560982 is about 919.9499744380.

The spelling of 778560982 in words is "seven hundred seventy-eight million, five hundred sixty thousand, nine hundred eighty-two".