705235727847 has 16 divisors (see below), whose sum is σ = 1074802226432. Its totient is φ = 402932854080.

The previous prime is 705235727813. The next prime is 705235727857. The reversal of 705235727847 is 748727532507.

It is not a de Polignac number, because 705235727847 - 2¹⁴ = 705235711463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705235727857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2310853 + ... + 2598174.

It is an arithmetic number, because the mean of its divisors is an integer number (67175139152).

Almost surely, 2^705235727847 is an apocalyptic number.

705235727847 is a deficient number, since it is larger than the sum of its proper divisors (369566498585).

705235727847 is a wasteful number, since it uses less digits than its factorization.

705235727847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915878.

The product of its (nonzero) digits is 23049600, while the sum is 57.

The spelling of 705235727847 in words is "seven hundred five billion, two hundred thirty-five million, seven hundred twenty-seven thousand, eight hundred forty-seven".