786813775063 has 4 divisors (see below), whose sum is σ = 833096938320. Its totient is φ = 740530611808.

The previous prime is 786813775057. The next prime is 786813775073. The reversal of 786813775063 is 360577318687.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-786813775063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 786813774992 and 786813775010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (786813775003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23141581603 + ... + 23141581636.

It is an arithmetic number, because the mean of its divisors is an integer number (208274234580).

Almost surely, 2^786813775063 is an apocalyptic number.

786813775063 is a deficient number, since it is larger than the sum of its proper divisors (46283163257).

786813775063 is a wasteful number, since it uses less digits than its factorization.

786813775063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46283163256.

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 786813775063 in words is "seven hundred eighty-six billion, eight hundred thirteen million, seven hundred seventy-five thousand, sixty-three".