87300137 has 2 divisors, whose sum is σ = 87300138. Its totient is φ = 87300136.

The previous prime is 87300119. The next prime is 87300139. The reversal of 87300137 is 73100378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79370281 + 7929856 = 8909^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 87300137 - 2¹⁶ = 87234601 is a prime.

Together with 87300139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87300139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43650068 + 43650069.

It is an arithmetic number, because the mean of its divisors is an integer number (43650069).

Almost surely, 2^87300137 is an apocalyptic number.

It is an amenable number.

87300137 is a deficient number, since it is larger than the sum of its proper divisors (1).

87300137 is an equidigital number, since it uses as much as digits as its factorization.

87300137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 87300137 is about 9343.4542327771. The cubic root of 87300137 is about 443.6137257407.

The spelling of 87300137 in words is "eighty-seven million, three hundred thousand, one hundred thirty-seven".