8537427137 has 2 divisors, whose sum is σ = 8537427138. Its totient is φ = 8537427136.

The previous prime is 8537427077. The next prime is 8537427139. The reversal of 8537427137 is 7317247358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5001459841 + 3535967296 = 70721^2 + 59464^2 .

It is a cyclic number.

It is not a de Polignac number, because 8537427137 - 2⁸ = 8537426881 is a prime.

Together with 8537427139, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8537427091 and 8537427100.

It is not a weakly prime, because it can be changed into another prime (8537427139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4268713568 + 4268713569.

It is an arithmetic number, because the mean of its divisors is an integer number (4268713569).

Almost surely, 2^8537427137 is an apocalyptic number.

It is an amenable number.

8537427137 is a deficient number, since it is larger than the sum of its proper divisors (1).

8537427137 is an equidigital number, since it uses as much as digits as its factorization.

8537427137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 987840, while the sum is 47.

The square root of 8537427137 is about 92398.1987757337. The cubic root of 8537427137 is about 2043.8185508440.

The spelling of 8537427137 in words is "eight billion, five hundred thirty-seven million, four hundred twenty-seven thousand, one hundred thirty-seven".