678465875311 has 32 divisors (see below), whose sum is σ = 785211356160. Its totient is φ = 574215561216.

The previous prime is 678465875309. The next prime is 678465875317. The reversal of 678465875311 is 113578564876.

It is a cyclic number.

It is not a de Polignac number, because 678465875311 - 2¹ = 678465875309 is a prime.

It is a super-3 number, since 3×678465875311³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 678465875311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678465875317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 422193270 + ... + 422194876.

It is an arithmetic number, because the mean of its divisors is an integer number (24537854880).

Almost surely, 2^678465875311 is an apocalyptic number.

678465875311 is a deficient number, since it is larger than the sum of its proper divisors (106745480849).

678465875311 is a wasteful number, since it uses less digits than its factorization.

678465875311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223.

The product of its digits is 33868800, while the sum is 61.

The spelling of 678465875311 in words is "six hundred seventy-eight billion, four hundred sixty-five million, eight hundred seventy-five thousand, three hundred eleven".