47487982 has 8 divisors (see below), whose sum is σ = 71267616. Its totient is φ = 23732112.

The previous prime is 47487977. The next prime is 47487989. The reversal of 47487982 is 28978474.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47487989) 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, 418 + ... + 9754.

It is an arithmetic number, because the mean of its divisors is an integer number (8908452).

Almost surely, 2^47487982 is an apocalyptic number.

47487982 is a deficient number, since it is larger than the sum of its proper divisors (23779634).

47487982 is a wasteful number, since it uses less digits than its factorization.

47487982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11882.

The product of its digits is 903168, while the sum is 49.

The square root of 47487982 is about 6891.1524435322. The cubic root of 47487982 is about 362.1272763487.

The spelling of 47487982 in words is "forty-seven million, four hundred eighty-seven thousand, nine hundred eighty-two".