828406689000 has 128 divisors (see below), whose sum is σ = 2819595242880. Its totient is φ = 200825856000.

The previous prime is 828406688939. The next prime is 828406689043. The reversal of 828406689000 is 986604828.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12518617 + ... + 12584616.

It is an arithmetic number, because the mean of its divisors is an integer number (22028087835).

Almost surely, 2^828406689000 is an apocalyptic number.

It is an amenable number.

828406689000 is an abundant number, since it is smaller than the sum of its proper divisors (1991188553880).

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

828406689000 is a wasteful number, since it uses less digits than its factorization.

828406689000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25103268 (or 25103254 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 828406689000 in words is "eight hundred twenty-eight billion, four hundred six million, six hundred eighty-nine thousand".