47721047255 has 32 divisors (see below), whose sum is σ = 65935569024. Its totient is φ = 32478690816.

The previous prime is 47721047249. The next prime is 47721047263. The reversal of 47721047255 is 55274012774.

It is a cyclic number.

It is not a de Polignac number, because 47721047255 - 2²⁰ = 47719998679 is a prime.

It is a super-2 number, since 2×47721047255² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5562149 + ... + 5570721.

It is an arithmetic number, because the mean of its divisors is an integer number (2060486532).

Almost surely, 2^47721047255 is an apocalyptic number.

47721047255 is a deficient number, since it is larger than the sum of its proper divisors (18214521769).

47721047255 is a wasteful number, since it uses less digits than its factorization.

47721047255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9755.

The product of its (nonzero) digits is 548800, while the sum is 44.

The spelling of 47721047255 in words is "forty-seven billion, seven hundred twenty-one million, forty-seven thousand, two hundred fifty-five".