9057971847 has 4 divisors (see below), whose sum is σ = 12077295800. Its totient is φ = 6038647896.

The previous prime is 9057971843. The next prime is 9057971861. The reversal of 9057971847 is 7481797509.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9057971847 - 2² = 9057971843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9057971843) 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 3 ways as a sum of consecutive naturals, for example, 1509661972 + ... + 1509661977.

It is an arithmetic number, because the mean of its divisors is an integer number (3019323950).

Almost surely, 2^9057971847 is an apocalyptic number.

9057971847 is a deficient number, since it is larger than the sum of its proper divisors (3019323953).

9057971847 is a wasteful number, since it uses less digits than its factorization.

9057971847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019323952.

The product of its (nonzero) digits is 4445280, while the sum is 57.

The square root of 9057971847 is about 95173.3778269953. The cubic root of 9057971847 is about 2084.5404272071.

The spelling of 9057971847 in words is "nine billion, fifty-seven million, nine hundred seventy-one thousand, eight hundred forty-seven".