786845243855 has 24 divisors (see below), whose sum is σ = 1038069707136. Its totient is φ = 572132911680.

The previous prime is 786845243813. The next prime is 786845243867. The reversal of 786845243855 is 558342548687.

It is a happy number.

It is not a de Polignac number, because 786845243855 - 2⁶ = 786845243791 is a prime.

It is a super-2 number, since 2×786845243855² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 786845243791 and 786845243800.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2852642 + ... + 3116288.

It is an arithmetic number, because the mean of its divisors is an integer number (43252904464).

Almost surely, 2^786845243855 is an apocalyptic number.

786845243855 is a deficient number, since it is larger than the sum of its proper divisors (251224463281).

786845243855 is a wasteful number, since it uses less digits than its factorization.

786845243855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268607 (or 268596 counting only the distinct ones).

The product of its digits is 258048000, while the sum is 65.

The spelling of 786845243855 in words is "seven hundred eighty-six billion, eight hundred forty-five million, two hundred forty-three thousand, eight hundred fifty-five".