678758857876 has 24 divisors (see below), whose sum is σ = 1296556803360. Its totient is φ = 308349506400.

The previous prime is 678758857867. The next prime is 678758857877.

678758857876 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 678758857876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678758857877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4353706 + ... + 4506913.

It is an arithmetic number, because the mean of its divisors is an integer number (54023200140).

Almost surely, 2^678758857876 is an apocalyptic number.

It is an amenable number.

678758857876 is a deficient number, since it is larger than the sum of its proper divisors (617797945484).

678758857876 is a wasteful number, since it uses less digits than its factorization.

678758857876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8862375 (or 8862373 counting only the distinct ones).

The product of its digits is 8851046400, while the sum is 82.

The spelling of 678758857876 in words is "six hundred seventy-eight billion, seven hundred fifty-eight million, eight hundred fifty-seven thousand, eight hundred seventy-six".