785695977745 has 8 divisors (see below), whose sum is σ = 1077525912384. Its totient is φ = 538762956144.

The previous prime is 785695977733. The next prime is 785695977749. The reversal of 785695977745 is 547779596587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 785695977745 - 2¹¹ = 785695975697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (785695977749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11224228219 + ... + 11224228288.

It is an arithmetic number, because the mean of its divisors is an integer number (134690739048).

Almost surely, 2^785695977745 is an apocalyptic number.

It is an amenable number.

785695977745 is a deficient number, since it is larger than the sum of its proper divisors (291829934639).

785695977745 is a wasteful number, since it uses less digits than its factorization.

785695977745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22448456519.

The product of its digits is 4667544000, while the sum is 79.

The spelling of 785695977745 in words is "seven hundred eighty-five billion, six hundred ninety-five million, nine hundred seventy-seven thousand, seven hundred forty-five".