705587428385 has 32 divisors (see below), whose sum is σ = 973218914304. Its totient is φ = 481054464000.

The previous prime is 705587428373. The next prime is 705587428387. The reversal of 705587428385 is 583824785507.

It is not a de Polignac number, because 705587428385 - 2⁴ = 705587428369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (705587428387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39717905 + ... + 39735665.

It is an arithmetic number, because the mean of its divisors is an integer number (30413091072).

Almost surely, 2^705587428385 is an apocalyptic number.

It is an amenable number.

705587428385 is a deficient number, since it is larger than the sum of its proper divisors (267631485919).

705587428385 is a wasteful number, since it uses less digits than its factorization.

705587428385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24225.

The product of its (nonzero) digits is 75264000, while the sum is 62.

The spelling of 705587428385 in words is "seven hundred five billion, five hundred eighty-seven million, four hundred twenty-eight thousand, three hundred eighty-five".