48905647838 has 16 divisors (see below), whose sum is σ = 78122666160. Its totient is φ = 22881388416.

The previous prime is 48905647837. The next prime is 48905647883. The reversal of 48905647838 is 83874650984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48905647837) 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 7 ways as a sum of consecutive naturals, for example, 4151348 + ... + 4163111.

It is an arithmetic number, because the mean of its divisors is an integer number (4882666635).

Almost surely, 2^48905647838 is an apocalyptic number.

48905647838 is a deficient number, since it is larger than the sum of its proper divisors (29217018322).

48905647838 is a wasteful number, since it uses less digits than its factorization.

48905647838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8314651.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 48905647838 in words is "forty-eight billion, nine hundred five million, six hundred forty-seven thousand, eight hundred thirty-eight".