47855438886 has 32 divisors (see below), whose sum is σ = 97112411136. Its totient is φ = 15718472000.

The previous prime is 47855438857. The next prime is 47855438933. The reversal of 47855438886 is 68883455874.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767026 + ... + 827066.

It is an arithmetic number, because the mean of its divisors is an integer number (3034762848).

Almost surely, 2^47855438886 is an apocalyptic number.

47855438886 is an abundant number, since it is smaller than the sum of its proper divisors (49256972250).

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

47855438886 is a wasteful number, since it uses less digits than its factorization.

47855438886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61988.

The product of its digits is 206438400, while the sum is 66.

The spelling of 47855438886 in words is "forty-seven billion, eight hundred fifty-five million, four hundred thirty-eight thousand, eight hundred eighty-six".