705488738064 has 80 divisors (see below), whose sum is σ = 1989034104384. Its totient is φ = 213694297600.

The previous prime is 705488738051. The next prime is 705488738083. The reversal of 705488738064 is 460837884507.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 705488737989 and 705488738007.

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 15 ways as a sum of consecutive naturals, for example, 976582 + ... + 1537754.

Almost surely, 2^705488738064 is an apocalyptic number.

It is an amenable number.

705488738064 is an abundant number, since it is smaller than the sum of its proper divisors (1283545366320).

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

705488738064 is a wasteful number, since it uses less digits than its factorization.

705488738064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563576 (or 563570 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 705488738064 in words is "seven hundred five billion, four hundred eighty-eight million, seven hundred thirty-eight thousand, sixty-four".