47503887 has 16 divisors (see below), whose sum is σ = 65049600. Its totient is φ = 30821472.

The previous prime is 47503877. The next prime is 47503889. The reversal of 47503887 is 78830574.

It is not a de Polignac number, because 47503887 - 2¹⁰ = 47502863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47503889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27213 + ... + 28905.

It is an arithmetic number, because the mean of its divisors is an integer number (4065600).

Almost surely, 2^47503887 is an apocalyptic number.

47503887 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

47503887 is a deficient number, since it is larger than the sum of its proper divisors (17545713).

47503887 is a wasteful number, since it uses less digits than its factorization.

47503887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 47503887 is about 6892.3063628948. The cubic root of 47503887 is about 362.1677005514.

The spelling of 47503887 in words is "forty-seven million, five hundred three thousand, eight hundred eighty-seven".