825716338678 has 128 divisors (see below), whose sum is σ = 1654826858496. Its totient is φ = 299129241600.

The previous prime is 825716338669. The next prime is 825716338721. The reversal of 825716338678 is 876833617528.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 160237350 + ... + 160242502.

It is an arithmetic number, because the mean of its divisors is an integer number (12928334832).

Almost surely, 2^825716338678 is an apocalyptic number.

825716338678 is an abundant number, since it is smaller than the sum of its proper divisors (829110519818).

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

825716338678 is a wasteful number, since it uses less digits than its factorization.

825716338678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5918.

The product of its digits is 81285120, while the sum is 64.

The spelling of 825716338678 in words is "eight hundred twenty-five billion, seven hundred sixteen million, three hundred thirty-eight thousand, six hundred seventy-eight".