47288664 has 128 divisors (see below), whose sum is σ = 138532800. Its totient is φ = 14929920.

The previous prime is 47288653. The next prime is 47288719. The reversal of 47288664 is 46688274.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 487464 + ... + 487560.

Almost surely, 2^47288664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47288664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69266400).

47288664 is an abundant number, since it is smaller than the sum of its proper divisors (91244136).

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

47288664 is a wasteful number, since it uses less digits than its factorization.

47288664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 200 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 47288664 is about 6876.6753595033. The cubic root of 47288664 is about 361.6199219909.

The spelling of 47288664 in words is "forty-seven million, two hundred eighty-eight thousand, six hundred sixty-four".