47987215 has 8 divisors (see below), whose sum is σ = 57907440. Its totient is φ = 38174592.

The previous prime is 47987201. The next prime is 47987227. The reversal of 47987215 is 51278974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47987215 - 2⁷ = 47987087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25914 + ... + 27703.

It is an arithmetic number, because the mean of its divisors is an integer number (7238430).

Almost surely, 2^47987215 is an apocalyptic number.

47987215 is a deficient number, since it is larger than the sum of its proper divisors (9920225).

47987215 is a wasteful number, since it uses less digits than its factorization.

47987215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53801.

The product of its digits is 141120, while the sum is 43.

The square root of 47987215 is about 6927.2804909286. The cubic root of 47987215 is about 363.3918491918.

The spelling of 47987215 in words is "forty-seven million, nine hundred eighty-seven thousand, two hundred fifteen".