47512885 has 16 divisors (see below), whose sum is σ = 65405952. Its totient is φ = 32457600.

The previous prime is 47512879. The next prime is 47512903. The reversal of 47512885 is 58821574.

It is not a de Polignac number, because 47512885 - 2⁷ = 47512757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7420 + ... + 12250.

It is an arithmetic number, because the mean of its divisors is an integer number (4087872).

Almost surely, 2^47512885 is an apocalyptic number.

It is an amenable number.

47512885 is a deficient number, since it is larger than the sum of its proper divisors (17893067).

47512885 is a wasteful number, since it uses less digits than its factorization.

47512885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124.

The product of its digits is 89600, while the sum is 40.

The square root of 47512885 is about 6892.9590888094. The cubic root of 47512885 is about 362.1905659030.

The spelling of 47512885 in words is "forty-seven million, five hundred twelve thousand, eight hundred eighty-five".