9057729427992 has 128 divisors (see below), whose sum is σ = 29226085363200. Its totient is φ = 2545497705600.

The previous prime is 9057729427963. The next prime is 9057729427997. The reversal of 9057729427992 is 2997249277509.

9057729427992 is a `hidden beast` number, since 9 + 0 + 577 + 2 + 9 + 42 + 7 + 9 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 9057729427992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9057729427997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49010734 + ... + 49195197.

It is an arithmetic number, because the mean of its divisors is an integer number (228328791900).

Almost surely, 2^{9057729427992} is an apocalyptic number.

It is an amenable number.

9057729427992 is an abundant number, since it is smaller than the sum of its proper divisors (20168355935208).

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

9057729427992 is a wasteful number, since it uses less digits than its factorization.

9057729427992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98206014 (or 98206004 counting only the distinct ones).

The product of its (nonzero) digits is 360067680, while the sum is 72.

The spelling of 9057729427992 in words is "nine trillion, fifty-seven billion, seven hundred twenty-nine million, four hundred twenty-seven thousand, nine hundred ninety-two".