705444378216 has 16 divisors (see below), whose sum is σ = 1763610945600. Its totient is φ = 235148126064.

The previous prime is 705444378209. The next prime is 705444378217. The reversal of 705444378216 is 612873444507.

It is not an unprimeable number, because it can be changed into a prime (705444378217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14696757856 + ... + 14696757903.

It is an arithmetic number, because the mean of its divisors is an integer number (110225684100).

Almost surely, 2^705444378216 is an apocalyptic number.

It is an amenable number.

705444378216 is an abundant number, since it is smaller than the sum of its proper divisors (1058166567384).

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

705444378216 is a wasteful number, since it uses less digits than its factorization.

705444378216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29393515768 (or 29393515764 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 705444378216 in words is "seven hundred five billion, four hundred forty-four million, three hundred seventy-eight thousand, two hundred sixteen".