2387478604237 has 2 divisors, whose sum is σ = 2387478604238. Its totient is φ = 2387478604236.

The previous prime is 2387478604219. The next prime is 2387478604289. The reversal of 2387478604237 is 7324068747832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2374369728201 + 13108876036 = 1540899^2 + 114494^2 .

It is a cyclic number.

It is not a de Polignac number, because 2387478604237 - 2⁷ = 2387478604109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2387478601237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1193739302118 + 1193739302119.

It is an arithmetic number, because the mean of its divisors is an integer number (1193739302119).

Almost surely, 2^{2387478604237} is an apocalyptic number.

It is an amenable number.

2387478604237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2387478604237 is an equidigital number, since it uses as much as digits as its factorization.

2387478604237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75866112, while the sum is 61.

The spelling of 2387478604237 in words is "two trillion, three hundred eighty-seven billion, four hundred seventy-eight million, six hundred four thousand, two hundred thirty-seven".