47242360172177 has 2 divisors, whose sum is σ = 47242360172178. Its totient is φ = 47242360172176.

The previous prime is 47242360172101. The next prime is 47242360172191. The reversal of 47242360172177 is 77127106324274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32346473260816 + 14895886911361 = 5687396^2 + 3859519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47242360172177 is a prime.

It is not a weakly prime, because it can be changed into another prime (47242360172977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23621180086088 + 23621180086089.

It is an arithmetic number, because the mean of its divisors is an integer number (23621180086089).

Almost surely, 2^{47242360172177} is an apocalyptic number.

It is an amenable number.

47242360172177 is a deficient number, since it is larger than the sum of its proper divisors (1).

47242360172177 is an equidigital number, since it uses as much as digits as its factorization.

47242360172177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5531904, while the sum is 53.

The spelling of 47242360172177 in words is "forty-seven trillion, two hundred forty-two billion, three hundred sixty million, one hundred seventy-two thousand, one hundred seventy-seven".