47545330477 has 2 divisors, whose sum is σ = 47545330478. Its totient is φ = 47545330476.

The previous prime is 47545330457. The next prime is 47545330501. The reversal of 47545330477 is 77403354574.

It is a happy number.

47545330477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27793557796 + 19751772681 = 166714^2 + 140541^2 .

It is a cyclic number.

It is not a de Polignac number, because 47545330477 - 2¹¹ = 47545328429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47545330477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47545330457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23772665238 + 23772665239.

It is an arithmetic number, because the mean of its divisors is an integer number (23772665239).

Almost surely, 2^47545330477 is an apocalyptic number.

It is an amenable number.

47545330477 is a deficient number, since it is larger than the sum of its proper divisors (1).

47545330477 is an equidigital number, since it uses as much as digits as its factorization.

47545330477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4939200, while the sum is 49.

The spelling of 47545330477 in words is "forty-seven billion, five hundred forty-five million, three hundred thirty thousand, four hundred seventy-seven".