678528825876 has 72 divisors (see below), whose sum is σ = 1873567192224. Its totient is φ = 205343087040.

The previous prime is 678528825847. The next prime is 678528825883.

678528825876 is a `hidden beast` number, since 6 + 7 + 8 + 528 + 8 + 25 + 8 + 76 = 666.

678528825876 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 831970 + ... + 1431513.

Almost surely, 2^678528825876 is an apocalyptic number.

678528825876 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

678528825876 is an abundant number, since it is smaller than the sum of its proper divisors (1195038366348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

678528825876 is a wasteful number, since it uses less digits than its factorization.

678528825876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264261 (or 2264256 counting only the distinct ones).

The product of its digits is 722534400, while the sum is 72.

The spelling of 678528825876 in words is "six hundred seventy-eight billion, five hundred twenty-eight million, eight hundred twenty-five thousand, eight hundred seventy-six".