705961540779 has 12 divisors (see below), whose sum is σ = 1034632341288. Its totient is φ = 427855479040.

The previous prime is 705961540777. The next prime is 705961540783. The reversal of 705961540779 is 977045169507.

It is not a de Polignac number, because 705961540779 - 2¹ = 705961540777 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (705961540777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 972398454 + ... + 972399179.

It is an arithmetic number, because the mean of its divisors is an integer number (86219361774).

Almost surely, 2^705961540779 is an apocalyptic number.

705961540779 is a deficient number, since it is larger than the sum of its proper divisors (328670800509).

705961540779 is a wasteful number, since it uses less digits than its factorization.

705961540779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944797658 (or 1944797647 counting only the distinct ones).

The product of its (nonzero) digits is 16669800, while the sum is 60.

The spelling of 705961540779 in words is "seven hundred five billion, nine hundred sixty-one million, five hundred forty thousand, seven hundred seventy-nine".