47534776447865 has 64 divisors (see below), whose sum is σ = 69249877475328. Its totient is φ = 30636996249600.

The previous prime is 47534776447799. The next prime is 47534776447877. The reversal of 47534776447865 is 56874467743574.

It is not a de Polignac number, because 47534776447865 - 2²⁰ = 47534775399289 is a prime.

It is a super-2 number, since 2×47534776447865² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3122537 + ... + 10238153.

It is an arithmetic number, because the mean of its divisors is an integer number (1082029335552).

Almost surely, 2^{47534776447865} is an apocalyptic number.

It is an amenable number.

47534776447865 is a deficient number, since it is larger than the sum of its proper divisors (21715101027463).

47534776447865 is a wasteful number, since it uses less digits than its factorization.

47534776447865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7115838.

The product of its digits is 13276569600, while the sum is 77.

The spelling of 47534776447865 in words is "forty-seven trillion, five hundred thirty-four billion, seven hundred seventy-six million, four hundred forty-seven thousand, eight hundred sixty-five".