47815668027157 has 2 divisors, whose sum is σ = 47815668027158. Its totient is φ = 47815668027156.

The previous prime is 47815668027139. The next prime is 47815668027227. The reversal of 47815668027157 is 75172086651874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34165591477956 + 13650076549201 = 5845134^2 + 3694601^2 .

It is a cyclic number.

It is not a de Polignac number, because 47815668027157 - 2¹⁵ = 47815667994389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47815668027092 and 47815668027101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47815668037157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23907834013578 + 23907834013579.

It is an arithmetic number, because the mean of its divisors is an integer number (23907834013579).

Almost surely, 2^{47815668027157} is an apocalyptic number.

It is an amenable number.

47815668027157 is a deficient number, since it is larger than the sum of its proper divisors (1).

47815668027157 is an equidigital number, since it uses as much as digits as its factorization.

47815668027157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158054400, while the sum is 67.

The spelling of 47815668027157 in words is "forty-seven trillion, eight hundred fifteen billion, six hundred sixty-eight million, twenty-seven thousand, one hundred fifty-seven".