47207407284157 has 2 divisors, whose sum is σ = 47207407284158. Its totient is φ = 47207407284156.

The previous prime is 47207407284137. The next prime is 47207407284241. The reversal of 47207407284157 is 75148270470274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26556026788516 + 20651380495641 = 5153254^2 + 4544379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47207407284157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47207407284137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23603703642078 + 23603703642079.

It is an arithmetic number, because the mean of its divisors is an integer number (23603703642079).

Almost surely, 2^{47207407284157} is an apocalyptic number.

It is an amenable number.

47207407284157 is a deficient number, since it is larger than the sum of its proper divisors (1).

47207407284157 is an equidigital number, since it uses as much as digits as its factorization.

47207407284157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24586240, while the sum is 58.

The spelling of 47207407284157 in words is "forty-seven trillion, two hundred seven billion, four hundred seven million, two hundred eighty-four thousand, one hundred fifty-seven".