47328487 has 4 divisors (see below), whose sum is σ = 49819480. Its totient is φ = 44837496.

The previous prime is 47328481. The next prime is 47328511. The reversal of 47328487 is 78482374.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47328487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47328481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245468 + ... + 1245505.

It is an arithmetic number, because the mean of its divisors is an integer number (12454870).

Almost surely, 2^47328487 is an apocalyptic number.

47328487 is a deficient number, since it is larger than the sum of its proper divisors (2490993).

47328487 is a wasteful number, since it uses less digits than its factorization.

47328487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490992.

The product of its digits is 301056, while the sum is 43.

The square root of 47328487 is about 6879.5702627417. The cubic root of 47328487 is about 361.7214033213.

The spelling of 47328487 in words is "forty-seven million, three hundred twenty-eight thousand, four hundred eighty-seven".