47765566556731 has 2 divisors, whose sum is σ = 47765566556732. Its totient is φ = 47765566556730.

The previous prime is 47765566556711. The next prime is 47765566556777. The reversal of 47765566556731 is 13765566556774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47765566556731 - 2¹⁵ = 47765566523963 is a prime.

It is a super-2 number, since 2×47765566556731² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47765566556711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23882783278365 + 23882783278366.

It is an arithmetic number, because the mean of its divisors is an integer number (23882783278366).

Almost surely, 2^{47765566556731} is an apocalyptic number.

47765566556731 is a deficient number, since it is larger than the sum of its proper divisors (1).

47765566556731 is an equidigital number, since it uses as much as digits as its factorization.

47765566556731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3333960000, while the sum is 73.

The spelling of 47765566556731 in words is "forty-seven trillion, seven hundred sixty-five billion, five hundred sixty-six million, five hundred fifty-six thousand, seven hundred thirty-one".