47427709447 has 8 divisors (see below), whose sum is σ = 48889495296. Its totient is φ = 45984785592.

The previous prime is 47427709409. The next prime is 47427709451. The reversal of 47427709447 is 74490772474.

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 47427709447 - 2⁷ = 47427709319 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 (47427709247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4710393 + ... + 4720450.

It is an arithmetic number, because the mean of its divisors is an integer number (6111186912).

Almost surely, 2^47427709447 is an apocalyptic number.

47427709447 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

47427709447 is a deficient number, since it is larger than the sum of its proper divisors (1461785849).

47427709447 is a wasteful number, since it uses less digits than its factorization.

47427709447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9430997.

The product of its (nonzero) digits is 11063808, while the sum is 55.

The spelling of 47427709447 in words is "forty-seven billion, four hundred twenty-seven million, seven hundred nine thousand, four hundred forty-seven".