711984678 has 8 divisors (see below), whose sum is σ = 1423969368. Its totient is φ = 237328224.

The previous prime is 711984649. The next prime is 711984703. The reversal of 711984678 is 876489117.

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

711984678 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 711984678.

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, 59332051 + ... + 59332062.

It is an arithmetic number, because the mean of its divisors is an integer number (177996171).

Almost surely, 2^711984678 is an apocalyptic number.

711984678 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.

711984678 is a wasteful number, since it uses less digits than its factorization.

711984678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118664118.

The product of its digits is 677376, while the sum is 51.

The square root of 711984678 is about 26683.0410185946. The cubic root of 711984678 is about 892.9426137503.

The spelling of 711984678 in words is "seven hundred eleven million, nine hundred eighty-four thousand, six hundred seventy-eight".