678952922 has 16 divisors (see below), whose sum is σ = 1028505600. Its totient is φ = 336128688.

The previous prime is 678952891. The next prime is 678952931. The reversal of 678952922 is 229259876.

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, 139079 + ... + 143877.

It is an arithmetic number, because the mean of its divisors is an integer number (64281600).

Almost surely, 2^678952922 is an apocalyptic number.

678952922 is a deficient number, since it is larger than the sum of its proper divisors (349552678).

678952922 is a wasteful number, since it uses less digits than its factorization.

678952922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5485.

The product of its digits is 1088640, while the sum is 50.

The square root of 678952922 is about 26056.7250820206. The cubic root of 678952922 is about 878.9143473077.

The spelling of 678952922 in words is "six hundred seventy-eight million, nine hundred fifty-two thousand, nine hundred twenty-two".