47016620557 has 2 divisors, whose sum is σ = 47016620558. Its totient is φ = 47016620556.

The previous prime is 47016620477. The next prime is 47016620617. The reversal of 47016620557 is 75502661074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30543154756 + 16473465801 = 174766^2 + 128349^2 .

It is a cyclic number.

It is not a de Polignac number, because 47016620557 - 2²⁷ = 46882402829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47016620957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23508310278 + 23508310279.

It is an arithmetic number, because the mean of its divisors is an integer number (23508310279).

Almost surely, 2^47016620557 is an apocalyptic number.

It is an amenable number.

47016620557 is a deficient number, since it is larger than the sum of its proper divisors (1).

47016620557 is an equidigital number, since it uses as much as digits as its factorization.

47016620557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 47016620557 in words is "forty-seven billion, sixteen million, six hundred twenty thousand, five hundred fifty-seven".