825671870756 has 36 divisors (see below), whose sum is σ = 1512249387264. Its totient is φ = 394045473600.

The previous prime is 825671870711. The next prime is 825671870761. The reversal of 825671870756 is 657078176528.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36041 + ... + 1285551.

It is an arithmetic number, because the mean of its divisors is an integer number (42006927424).

Almost surely, 2^825671870756 is an apocalyptic number.

It is an amenable number.

825671870756 is a deficient number, since it is larger than the sum of its proper divisors (686577516508).

825671870756 is a wasteful number, since it uses less digits than its factorization.

825671870756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249692 (or 1249617 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 62.

The spelling of 825671870756 in words is "eight hundred twenty-five billion, six hundred seventy-one million, eight hundred seventy thousand, seven hundred fifty-six".