678890822 has 8 divisors (see below), whose sum is σ = 1018473696. Its totient is φ = 339399592.

The previous prime is 678890809. The next prime is 678890831. The reversal of 678890822 is 228098876.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323 + ... + 36849.

It is an arithmetic number, because the mean of its divisors is an integer number (127309212).

Almost surely, 2^678890822 is an apocalyptic number.

678890822 is a deficient number, since it is larger than the sum of its proper divisors (339582874).

678890822 is a wasteful number, since it uses less digits than its factorization.

678890822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45822.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 678890822 is about 26055.5334238238. The cubic root of 678890822 is about 878.8875500422.

The spelling of 678890822 in words is "six hundred seventy-eight million, eight hundred ninety thousand, eight hundred twenty-two".