785963378563 has 16 divisors (see below), whose sum is σ = 888268446720. Its totient is φ = 688967042400.

The previous prime is 785963378549. The next prime is 785963378569. The reversal of 785963378563 is 365873369587.

It is a cyclic number.

It is not a de Polignac number, because 785963378563 - 2¹⁷ = 785963247491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 785963378492 and 785963378501.

It is not an unprimeable number, because it can be changed into a prime (785963378569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4065973 + ... + 4254886.

It is an arithmetic number, because the mean of its divisors is an integer number (55516777920).

Almost surely, 2^785963378563 is an apocalyptic number.

785963378563 is a deficient number, since it is larger than the sum of its proper divisors (102305068157).

785963378563 is a wasteful number, since it uses less digits than its factorization.

785963378563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8321178.

The product of its digits is 685843200, while the sum is 70.

The spelling of 785963378563 in words is "seven hundred eighty-five billion, nine hundred sixty-three million, three hundred seventy-eight thousand, five hundred sixty-three".