47338587 has 12 divisors (see below), whose sum is σ = 70910840. Its totient is φ = 31558896.

The previous prime is 47338583. The next prime is 47338589. The reversal of 47338587 is 78583374.

47338587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47338587 - 2² = 47338583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47338583) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 97162 + ... + 97647.

Almost surely, 2^47338587 is an apocalyptic number.

47338587 is a deficient number, since it is larger than the sum of its proper divisors (23572253).

47338587 is an equidigital number, since it uses as much as digits as its factorization.

47338587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194824 (or 194812 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 47338587 is about 6880.3042810620. The cubic root of 47338587 is about 361.7471321974.

It can be divided in two parts, 473 and 38587, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 47338587 in words is "forty-seven million, three hundred thirty-eight thousand, five hundred eighty-seven".