9936525774 has 64 divisors (see below), whose sum is σ = 23475142656. Its totient is φ = 2745080544.

The previous prime is 9936525737. The next prime is 9936525791. The reversal of 9936525774 is 4775256399.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent 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, 133519 + ... + 194165.

It is an arithmetic number, because the mean of its divisors is an integer number (366799104).

Almost surely, 2^9936525774 is an apocalyptic number.

9936525774 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9936525774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11737571328).

9936525774 is an abundant number, since it is smaller than the sum of its proper divisors (13538616882).

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

9936525774 is a wasteful number, since it uses less digits than its factorization.

9936525774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60789.

The product of its digits is 14288400, while the sum is 57.

The square root of 9936525774 is about 99682.1236431086. The cubic root of 9936525774 is about 2149.8666420980.

The spelling of 9936525774 in words is "nine billion, nine hundred thirty-six million, five hundred twenty-five thousand, seven hundred seventy-four".