8547940157 has 2 divisors, whose sum is σ = 8547940158. Its totient is φ = 8547940156.

The previous prime is 8547940151. The next prime is 8547940189. The reversal of 8547940157 is 7510497458.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8347745956 + 200194201 = 91366^2 + 14149^2 .

It is a cyclic number.

It is not a de Polignac number, because 8547940157 - 2¹⁴ = 8547923773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8547940151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4273970078 + 4273970079.

It is an arithmetic number, because the mean of its divisors is an integer number (4273970079).

Almost surely, 2^8547940157 is an apocalyptic number.

It is an amenable number.

8547940157 is a deficient number, since it is larger than the sum of its proper divisors (1).

8547940157 is an equidigital number, since it uses as much as digits as its factorization.

8547940157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The square root of 8547940157 is about 92455.0710183060. The cubic root of 8547940157 is about 2044.6571286881.

The spelling of 8547940157 in words is "eight billion, five hundred forty-seven million, nine hundred forty thousand, one hundred fifty-seven".