778252966 has 8 divisors (see below), whose sum is σ = 1168846560. Its totient is φ = 388637448.

The previous prime is 778252963. The next prime is 778252967. The reversal of 778252966 is 669252877.

778252966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (778252963) 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, 242526 + ... + 245713.

It is an arithmetic number, because the mean of its divisors is an integer number (146105820).

Almost surely, 2^778252966 is an apocalyptic number.

778252966 is a deficient number, since it is larger than the sum of its proper divisors (390593594).

778252966 is a wasteful number, since it uses less digits than its factorization.

778252966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489038.

The product of its digits is 2540160, while the sum is 52.

The square root of 778252966 is about 27897.1856286615. The cubic root of 778252966 is about 919.8286408950.

The spelling of 778252966 in words is "seven hundred seventy-eight million, two hundred fifty-two thousand, nine hundred sixty-six".