2378396387 has 2 divisors, whose sum is σ = 2378396388. Its totient is φ = 2378396386.

The previous prime is 2378396329. The next prime is 2378396393. The reversal of 2378396387 is 7836938732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2378396387 - 2²⁴ = 2361619171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2378396087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189198193 + 1189198194.

It is an arithmetic number, because the mean of its divisors is an integer number (1189198194).

Almost surely, 2^2378396387 is an apocalyptic number.

2378396387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2378396387 is an equidigital number, since it uses as much as digits as its factorization.

2378396387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 56.

The square root of 2378396387 is about 48768.8054703004. The cubic root of 2378396387 is about 1334.8365161456.

The spelling of 2378396387 in words is "two billion, three hundred seventy-eight million, three hundred ninety-six thousand, three hundred eighty-seven".