966912778 has 32 divisors (see below), whose sum is σ = 1654240896. Its totient is φ = 420475968.

The previous prime is 966912721. The next prime is 966912787. The reversal of 966912778 is 877219669.

966912778 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 15 ways as a sum of consecutive naturals, for example, 28000 + ... + 52132.

It is an arithmetic number, because the mean of its divisors is an integer number (51695028).

Almost surely, 2^966912778 is an apocalyptic number.

966912778 is a deficient number, since it is larger than the sum of its proper divisors (687328118).

966912778 is a wasteful number, since it uses less digits than its factorization.

966912778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24238.

The product of its digits is 2286144, while the sum is 55.

The square root of 966912778 is about 31095.2211440922. The cubic root of 966912778 is about 988.8469990073.

The spelling of 966912778 in words is "nine hundred sixty-six million, nine hundred twelve thousand, seven hundred seventy-eight".