828968680 has 16 divisors (see below), whose sum is σ = 1865179620. Its totient is φ = 331587456.

The previous prime is 828968641. The next prime is 828968713. The reversal of 828968680 is 86869828.

It can be written as a sum of positive squares in 2 ways, for example, as 822198276 + 6770404 = 28674^2 + 2602^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10362069 + ... + 10362148.

Almost surely, 2^828968680 is an apocalyptic number.

It is an amenable number.

828968680 is an abundant number, since it is smaller than the sum of its proper divisors (1036210940).

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

828968680 is a wasteful number, since it uses less digits than its factorization.

828968680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20724228 (or 20724224 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 55.

The square root of 828968680 is about 28791.8161983575. The cubic root of 828968680 is about 939.3902337818.

The spelling of 828968680 in words is "eight hundred twenty-eight million, nine hundred sixty-eight thousand, six hundred eighty".