47488667 has 4 divisors (see below), whose sum is σ = 50282136. Its totient is φ = 44695200.

The previous prime is 47488643. The next prime is 47488669. The reversal of 47488667 is 76688474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76688474 = 2 ⋅38344237.

It is a cyclic number.

It is not a de Polignac number, because 47488667 - 2⁸ = 47488411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47488669) 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, 1396709 + ... + 1396742.

It is an arithmetic number, because the mean of its divisors is an integer number (12570534).

Almost surely, 2^47488667 is an apocalyptic number.

47488667 is a deficient number, since it is larger than the sum of its proper divisors (2793469).

47488667 is a wasteful number, since it uses less digits than its factorization.

47488667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793468.

The product of its digits is 1806336, while the sum is 50.

The square root of 47488667 is about 6891.2021447640. The cubic root of 47488667 is about 362.1290175331.

The spelling of 47488667 in words is "forty-seven million, four hundred eighty-eight thousand, six hundred sixty-seven".