705430897775 has 24 divisors (see below), whose sum is σ = 879715309200. Its totient is φ = 561132230400.

The previous prime is 705430897747. The next prime is 705430897781. The reversal of 705430897775 is 577798034507.

It is not a de Polignac number, because 705430897775 - 2¹² = 705430893679 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40983371 + ... + 41000579.

It is an arithmetic number, because the mean of its divisors is an integer number (36654804550).

Almost surely, 2^705430897775 is an apocalyptic number.

705430897775 is a deficient number, since it is larger than the sum of its proper divisors (174284411425).

705430897775 is a wasteful number, since it uses less digits than its factorization.

705430897775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26459 (or 26454 counting only the distinct ones).

The product of its (nonzero) digits is 51861600, while the sum is 62.

The spelling of 705430897775 in words is "seven hundred five billion, four hundred thirty million, eight hundred ninety-seven thousand, seven hundred seventy-five".