8125705446 has 16 divisors (see below), whose sum is σ = 16517828208. Its totient is φ = 2664165600.

The previous prime is 8125705391. The next prime is 8125705447. The reversal of 8125705446 is 6445075218.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8125705398 and 8125705407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8125705447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11100325 + ... + 11101056.

It is an arithmetic number, because the mean of its divisors is an integer number (1032364263).

Almost surely, 2^8125705446 is an apocalyptic number.

8125705446 is an abundant number, since it is smaller than the sum of its proper divisors (8392122762).

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

8125705446 is a wasteful number, since it uses less digits than its factorization.

8125705446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22201447.

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 8125705446 is about 90142.6949120116. The cubic root of 8125705446 is about 2010.4210602754.

The spelling of 8125705446 in words is "eight billion, one hundred twenty-five million, seven hundred five thousand, four hundred forty-six".