47238738446856 has 64 divisors (see below), whose sum is σ = 128933811132480. Its totient is φ = 14303559438080.

The previous prime is 47238738446827. The next prime is 47238738446869. The reversal of 47238738446856 is 65864483783274.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 69723411 + ... + 70397666.

It is an arithmetic number, because the mean of its divisors is an integer number (2014590798945).

Almost surely, 2^{47238738446856} is an apocalyptic number.

It is an amenable number.

47238738446856 is an abundant number, since it is smaller than the sum of its proper divisors (81695072685624).

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

47238738446856 is a wasteful number, since it uses less digits than its factorization.

47238738446856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140122374 (or 140122370 counting only the distinct ones).

The product of its digits is 5202247680, while the sum is 75.

The spelling of 47238738446856 in words is "forty-seven trillion, two hundred thirty-eight billion, seven hundred thirty-eight million, four hundred forty-six thousand, eight hundred fifty-six".