9825057678 has 32 divisors (see below), whose sum is σ = 19753695360. Its totient is φ = 3257782560.

The previous prime is 9825057667. The next prime is 9825057679. The reversal of 9825057678 is 8767505289.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9825057679) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1958193 + ... + 1963203.

It is an arithmetic number, because the mean of its divisors is an integer number (617302980).

Almost surely, 2^9825057678 is an apocalyptic number.

9825057678 is an abundant number, since it is smaller than the sum of its proper divisors (9928637682).

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

9825057678 is a wasteful number, since it uses less digits than its factorization.

9825057678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6672.

The product of its (nonzero) digits is 8467200, while the sum is 57.

The square root of 9825057678 is about 99121.4289545908. The cubic root of 9825057678 is about 2141.7973136980.

The spelling of 9825057678 in words is "nine billion, eight hundred twenty-five million, fifty-seven thousand, six hundred seventy-eight".