387246784242667 has 2 divisors, whose sum is σ = 387246784242668. Its totient is φ = 387246784242666.

The previous prime is 387246784242631. The next prime is 387246784242671. The reversal of 387246784242667 is 766242487642783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 387246784242667 - 2²⁷ = 387246650024939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 387246784242593 and 387246784242602.

It is not a weakly prime, because it can be changed into another prime (387246784242167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193623392121333 + 193623392121334.

It is an arithmetic number, because the mean of its divisors is an integer number (193623392121334).

Almost surely, 2^{387246784242667} is an apocalyptic number.

387246784242667 is a deficient number, since it is larger than the sum of its proper divisors (1).

387246784242667 is an equidigital number, since it uses as much as digits as its factorization.

387246784242667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7283146752, while the sum is 76.

The spelling of 387246784242667 in words is "three hundred eighty-seven trillion, two hundred forty-six billion, seven hundred eighty-four million, two hundred forty-two thousand, six hundred sixty-seven".