705735338885 has 16 divisors (see below), whose sum is σ = 862161036912. Its totient is φ = 554432524800.

The previous prime is 705735338881. The next prime is 705735338897. The reversal of 705735338885 is 588833537507.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 278355428836 + 427379910049 = 527594^2 + 653743^2 .

It is not a de Polignac number, because 705735338885 - 2² = 705735338881 is a prime.

It is a super-2 number, since 2×705735338885² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705735338881) by changing a digit.

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, 1686926 + ... + 2063295.

It is an arithmetic number, because the mean of its divisors is an integer number (53885064807).

Almost surely, 2^705735338885 is an apocalyptic number.

It is an amenable number.

705735338885 is a deficient number, since it is larger than the sum of its proper divisors (156425698027).

705735338885 is a wasteful number, since it uses less digits than its factorization.

705735338885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750904.

The product of its (nonzero) digits is 84672000, while the sum is 62.

The spelling of 705735338885 in words is "seven hundred five billion, seven hundred thirty-five million, three hundred thirty-eight thousand, eight hundred eighty-five".