707705680678 has 32 divisors (see below), whose sum is σ = 1099818155520. Its totient is φ = 341337181920.

The previous prime is 707705680639. The next prime is 707705680699. The reversal of 707705680678 is 876086507707.

It is a super-2 number, since 2×707705680678² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3176913 + ... + 3392371.

It is an arithmetic number, because the mean of its divisors is an integer number (34369317360).

Almost surely, 2^707705680678 is an apocalyptic number.

707705680678 is a deficient number, since it is larger than the sum of its proper divisors (392112474842).

707705680678 is a wasteful number, since it uses less digits than its factorization.

707705680678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216012.

The product of its (nonzero) digits is 27659520, while the sum is 61.

The spelling of 707705680678 in words is "seven hundred seven billion, seven hundred five million, six hundred eighty thousand, six hundred seventy-eight".