678525876 has 96 divisors (see below), whose sum is σ = 2079840000. Its totient is φ = 187173504.

The previous prime is 678525871. The next prime is 678525917.

678525876 is a `hidden beast` number, since 6 + 7 + 8 + 52 + 587 + 6 = 666.

678525876 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678525871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6450 + ... + 37398.

It is an arithmetic number, because the mean of its divisors is an integer number (21665000).

Almost surely, 2^678525876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 678525876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1039920000).

678525876 is an abundant number, since it is smaller than the sum of its proper divisors (1401314124).

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

678525876 is a wasteful number, since it uses less digits than its factorization.

678525876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30998 (or 30990 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The square root of 678525876 is about 26048.5292483088. The cubic root of 678525876 is about 878.7300362583.

The spelling of 678525876 in words is "six hundred seventy-eight million, five hundred twenty-five thousand, eight hundred seventy-six".