87873340237 has 2 divisors, whose sum is σ = 87873340238. Its totient is φ = 87873340236.

The previous prime is 87873340211. The next prime is 87873340319. The reversal of 87873340237 is 73204337878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86217989641 + 1655350596 = 293629^2 + 40686^2 .

It is a cyclic number.

It is not a de Polignac number, because 87873340237 - 2¹⁵ = 87873307469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87873340637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43936670118 + 43936670119.

It is an arithmetic number, because the mean of its divisors is an integer number (43936670119).

Almost surely, 2^87873340237 is an apocalyptic number.

It is an amenable number.

87873340237 is a deficient number, since it is larger than the sum of its proper divisors (1).

87873340237 is an equidigital number, since it uses as much as digits as its factorization.

87873340237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 87873340237 in words is "eighty-seven billion, eight hundred seventy-three million, three hundred forty thousand, two hundred thirty-seven".