678605834702 has 16 divisors (see below), whose sum is σ = 1043108155152. Its totient is φ = 330909026880.

The previous prime is 678605834681. The next prime is 678605834717. The reversal of 678605834702 is 207438506876.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246373 + ... + 1706064.

It is an arithmetic number, because the mean of its divisors is an integer number (65194259697).

Almost surely, 2^678605834702 is an apocalyptic number.

678605834702 is a deficient number, since it is larger than the sum of its proper divisors (364502320450).

678605834702 is a wasteful number, since it uses less digits than its factorization.

678605834702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955283.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 678605834702 in words is "six hundred seventy-eight billion, six hundred five million, eight hundred thirty-four thousand, seven hundred two".