677406822 has 8 divisors (see below), whose sum is σ = 1354813656. Its totient is φ = 225802272.

The previous prime is 677406809. The next prime is 677406839. The reversal of 677406822 is 228604776.

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

677406822 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56450563 + ... + 56450574.

It is an arithmetic number, because the mean of its divisors is an integer number (169351707).

Almost surely, 2^677406822 is an apocalyptic number.

677406822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677406822 is a wasteful number, since it uses less digits than its factorization.

677406822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112901142.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 677406822 is about 26027.0402082142. The cubic root of 677406822 is about 878.2466906779.

The spelling of 677406822 in words is "six hundred seventy-seven million, four hundred six thousand, eight hundred twenty-two".