9842872064 has 18 divisors (see below), whose sum is σ = 19647295920. Its totient is φ = 4921435904.

The previous prime is 9842872063. The next prime is 9842872097. The reversal of 9842872064 is 4602782489.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9842872063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19224104 + ... + 19224615.

It is an arithmetic number, because the mean of its divisors is an integer number (1091516440).

Almost surely, 2^9842872064 is an apocalyptic number.

It is an amenable number.

9842872064 is a deficient number, since it is larger than the sum of its proper divisors (9804423856).

9842872064 is an equidigital number, since it uses as much as digits as its factorization.

9842872064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38448735 (or 38448721 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 9842872064 is about 99211.2496847006. The cubic root of 9842872064 is about 2143.0910047308.

The spelling of 9842872064 in words is "nine billion, eight hundred forty-two million, eight hundred seventy-two thousand, sixty-four".