47699999447 has 4 divisors (see below), whose sum is σ = 47949737856. Its totient is φ = 47450261040.

The previous prime is 47699999407. The next prime is 47699999449. The reversal of 47699999447 is 74499999674.

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

It is a cyclic number.

It is not a de Polignac number, because 47699999447 - 2¹⁸ = 47699737303 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 (47699999449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124868918 + ... + 124869299.

It is an arithmetic number, because the mean of its divisors is an integer number (11987434464).

Almost surely, 2^47699999447 is an apocalyptic number.

47699999447 is a deficient number, since it is larger than the sum of its proper divisors (249738409).

47699999447 is a wasteful number, since it uses less digits than its factorization.

47699999447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249738408.

The product of its digits is 1111065984, while the sum is 77.

The spelling of 47699999447 in words is "forty-seven billion, six hundred ninety-nine million, nine hundred ninety-nine thousand, four hundred forty-seven".