47443767655 has 16 divisors (see below), whose sum is σ = 58297374720. Its totient is φ = 37049376672.

The previous prime is 47443767653. The next prime is 47443767677. The reversal of 47443767655 is 55676734474.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 47443767655 - 2¹ = 47443767653 is a prime.

It is a super-2 number, since 2×47443767655² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47443767655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47443767653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177279 + ... + 355408.

It is an arithmetic number, because the mean of its divisors is an integer number (3643585920).

Almost surely, 2^47443767655 is an apocalyptic number.

47443767655 is a deficient number, since it is larger than the sum of its proper divisors (10853607065).

47443767655 is a wasteful number, since it uses less digits than its factorization.

47443767655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533118.

The product of its digits is 59270400, while the sum is 58.

The spelling of 47443767655 in words is "forty-seven billion, four hundred forty-three million, seven hundred sixty-seven thousand, six hundred fifty-five".