47539965157 has 2 divisors, whose sum is σ = 47539965158. Its totient is φ = 47539965156.

The previous prime is 47539965097. The next prime is 47539965191. The reversal of 47539965157 is 75156993574.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42035660676 + 5504304481 = 205026^2 + 74191^2 .

It is a cyclic number.

It is not a de Polignac number, because 47539965157 - 2³⁵ = 13180226789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47539965095 and 47539965104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47539965457) 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, 23769982578 + 23769982579.

It is an arithmetic number, because the mean of its divisors is an integer number (23769982579).

Almost surely, 2^47539965157 is an apocalyptic number.

It is an amenable number.

47539965157 is a deficient number, since it is larger than the sum of its proper divisors (1).

47539965157 is an equidigital number, since it uses as much as digits as its factorization.

47539965157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35721000, while the sum is 61.

The spelling of 47539965157 in words is "forty-seven billion, five hundred thirty-nine million, nine hundred sixty-five thousand, one hundred fifty-seven".