8554723157 has 2 divisors, whose sum is σ = 8554723158. Its totient is φ = 8554723156.

The previous prime is 8554723147. The next prime is 8554723159. The reversal of 8554723157 is 7513274558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8553660196 + 1062961 = 92486^2 + 1031^2 .

It is a cyclic number.

It is not a de Polignac number, because 8554723157 - 2²² = 8550528853 is a prime.

Together with 8554723159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8554723159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4277361578 + 4277361579.

It is an arithmetic number, because the mean of its divisors is an integer number (4277361579).

Almost surely, 2^8554723157 is an apocalyptic number.

It is an amenable number.

8554723157 is a deficient number, since it is larger than the sum of its proper divisors (1).

8554723157 is an equidigital number, since it uses as much as digits as its factorization.

8554723157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176000, while the sum is 47.

The square root of 8554723157 is about 92491.7464263704. The cubic root of 8554723157 is about 2045.1978142110.

The spelling of 8554723157 in words is "eight billion, five hundred fifty-four million, seven hundred twenty-three thousand, one hundred fifty-seven".